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Campbell - Biology: Concepts & Connections 8th Edition - Chapter 8 Flashcards

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4358701401Briefly describe three functions of cell division.1. Mitosis - When cells divide, parent cell turns into two identical to parent diploid daughter cells 2. Miosis - A single gamete divides into four haploid daughter cells. 3. Binary fission - Asexual reproduction occurring in prokaryotes, where parent cell turns into two identical daughter cells0
4358727370Compare and contrast cell division in prokaryotes and eukaryotes.In prokaryotes, they preform binary fission, where they basically duplicate their DNA and shuffle it to different poles, elongate and then the plasma membrane grows inward, dividing the cell in half In eukaryotes, DNA is also duplicated but then wrapped neatly into chromosomes. The nucleus breaks up, a mitotic spindle forms and pulls chromosomes (which have aligned at the equator) apart, and a cleavage furrow forms, separating the the cell into two.1
4358761475Define and recognize examples of the following terms: chromatin, sister chromatids, centromere, replicated chromosome, unreplicated chromosome.Chromatin - One long DNA molecule that exists before chromosomes and cell division. Sister chromatids - When a chromosome duplicates, it exists as a pair of sister chromatids Centromere - The center or "waistline" of sister chromatids Replicated chromosome vs Unreplicated - Replicated chromosomes exist as a single sister chromatid. And Replicated would be the sister chromatids joined together2
4358791301Name the two main biochemicals that comprise chromosomes and state the function of each.DNA (genes) wraps around proteins called histones (holds together chromosome)3
4358807496Describe the stages of the eukaryotic cell cycle.INTERPHASE - Cell spends 90% of it's life here. Comprised of three sub phases: 1. G1 (First gap) - The cell grows in preparation for DNA Synthesis 2. S (DNA Synthesis) - Chromatin duplicates 3. G2 (Second gap) - Cell grows more in preparation for cell division. By the end, cell has doubled in size, and now contains two centrosomes. PROPHASE - Chromatin fibers coil into sister chromatids, and microtubules begin to form from centrosomes creating the mitotic spindle PROMETAPHASE - Nuclear envelope breaks up and microtubules attach to chromosomes, starting to move them to center of cell METAPHASE - Mitotic spindle is fully formed, and chromosomes are lined up in the equator ANAPHASE - Chromosomes are pulled apart by microtubules to opposite poles of the cell, cell starts to elongate TELOPHASE & CYTOKINESIS - Mitotic spindle starts to dwindle, new nuclei start to form and cleavage furrow starts to form. Cytokinesis marks the official pinching of the cell into two.4
4358878326Compare and contrast the process of mitosis in typical animal and plant cells.The difference between mitosis in plant and animal cells is that in plant cells a cell wall forms in the middle, instead of the cleavage furrow pinching in animal cells.5
4358886109Describe a model of the mechanism that cell controls division.Growth factors, anchorage dependance, and density-dependent inhibition will tell the cell to continue or stop at Cell Cycle checkpoints.6
4358891493Define and recognize examples of (where appropriate) the following terms: homologous chromosomes, haploid, diploid, tetrad, crossing over, nonsister chromatids, independent assortment, gamete, egg/ovum, sperm, spore, and zygote.Homologous chromosomes - Are matching sister chromatids, one from each parent Haploid - A cell with a single chromosome set Diploid - A cell with a pair of homologous chromosomes Tetrad - A pair of homologous chromosomes that have joined together Crossing over - When a tetrad is formed, areas of chromosomes may switch places with other areas chromosomes Non-sister chromatid - either of the two chromatids that were once sister chromatids Independent assortment - Results in genetic diversity, is when genes independently separate from one another during gamete reproduction. Gamete - Reproductive organs Spore - How certain funguses reproduce, spores are their sperm they release into the air. Zygote - a fertilized egg.7
4358961534Describe the purpose of meiosis and outline its stages. Include the first meiotic division-meiosis I (prophase I, metaphase I, anaphase I, and telophase I) and the second meiotic division-meiosis II (prophase I, metaphase II, anaphase II, and telophase II).MEIOSIS I (Basically the same with mitosis): Prophase I - Homologous chromosomes form tetrads Metaphase I - Tetrads line up Ana and Telophase I - Homologous chromosomes separate during Anaphase and sister chromatids remain attached. Result: Two diploid daughter cells MEIOSIS II: Same thing as Meiosis I but result of each dividing daughter cells is now four haploid daughter cells8
4358977886Describe two events in meiosis that produce variability between gametes/spores produced by an individual.Crossing over and where the tetrads line up.9

AP Biology - Cells Flashcards

Campbell's Ch 6, 7: structure and function, prokaryotes v eukaryotes, mvmnt of substances, protein function. Also Cliff's AP Bio 4th ed., Ch 3: Cells.

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5005448716plasma membraneseparates internal metabolic event; controls mvmnt of materials0
5005448717saturated fatty acid membranepacked tight; rigid membrane1
5005448718unsaturated fatty acid membranenot packed tight; flexible membrane2
5005448719selectively permeableallows: small, unchanged, polar molecules; hydrophobic molecules blocks: large polar molecules; ions3
5005448720integral proteinsimbedded in bilipid layer4
5005448721peripheral proteinsattached to membrane surface5
5005448722channel proteinspassage for hydrophillic substances6
5005448723aquaporinschannel proteins; increase rate of H20 passage7
5005448724ion channelsions; gated channels8
5005448725gated channelsopen and close in response to stimuli EX: nerve and muscle cells9
5005448726carrier proteinsspecific molecules bind, changing protein shape10
5005448727transport proteinsuse ATP (active transport) EX: sodium-potassium pump11
5005448728recognition proteinsunique identification; glycoproteins EX: blood types12
5005448729receptor proteinsprovide binding sites; activates specific cell response13
5005448730adhesion proteinsattaches cells to cells; provides anchors for filaments14
5005448731cholesterolstability to animal cells; @ high T=maintain firmness, @ low T=allows flexibility15
5005448732organellesbodies within cytoplasm; chemical rxns isolated, able to take place w/o interference; large surface areas to max. space for rxns16
5005448733nucleuscontains DNA and nucleoli; site of cell division17
5005448734chromatinDNA spread through nucleus like web18
5005448735chromosomesDNA becomes rod-shaped as cell begins division; includes 2 long DNA molecules and histone proteins19
5005448736histonesorganize long DNA20
5005448737nucleosomescoiling of DNA by histones21
5005448738nucleoliconcentrations of DNA in process of manufacturing ribosomes22
5005448739nuclear porespassageway for proteins and RNA23
5005448740nuclear envelope2 bilipid layers; bounded to nucleus, continuous with ER24
5005448741ribosome2 RNA subunits + proteins; free v bound; protein synthesis25
5005448742free ribosomesin cytosol; proteins made function within cell EX: enzymes that catalyze sugar breakdown26
5005448743bound ribosomesattached to ER or nuclear envelope; proteins made function within cell membrane or exported from cell27
5005448744smooth ERw/o ribosomes; synthesis of lipids and steroids, metabolizes CHO, detoxification28
5005448745rough ERw/ ribosomes; synthesis of proteins and glycoproteins, produces new membrane29
5005448746golgi apparatuscollect, modify, and package proteins, CHO and lipids30
5005448747lysosomes(animal cells only) vesicles from Golgi with hydrolytic enzymes; break down material in cytosol for recycling; low pH31
5005448748peroxisomesanimals: breakdown H202, fatty acids, AAs; plants: modify by-products of photosynthesis32
5005448749mitochondriacarry out cellular respiration; two membranes allow separation of metabolic processes33
5005448750chloroplasts(plant cells only) carry out photosynthesis; two membranes34
5005448751microtubulesmade of protein tubulin; found in spindle apparatus (guides chromosome mvmnt in cell division); support and motility for cell activity35
5005448752intermediate filamentssupport for cell shape36
5005448753microfilamentsmade of protein actin; found in cells that move by shape change, e.g. muscle cells; cell motility37
5005448754flagellalong, few, snake-like mvmnt; 9+2 microtubule EX: sperm38
5005448755ciliashort, many, back-and-forth mvmnt; 9+2 microtubule EX: line respiratory tract39
5005448756centrioles(animal cells only) microtubule organizing centers; create spine apparatus in cell division40
5005448757transport vesiclesmove materials btwn organelles41
5005448758food vacuolesreceive nutrients; usually merge with lysosomes42
5005448759contractile vacuolescollect and pump water in cell43
5005448760central vacuoles(plant cells only) contain most of plant cell interior; exert tugor when full for cell rigidity; functions specialized: 1) store starch, nutrients, waste, etc. 2) lysosome function 3) cell growth by absorbing H20 4) renders large SA-to-V ratio44
5005448761cell walls(plant cells only) support45
5005448762extracellular matrix(animal cells only) mechanical support, helps bind adjacent cells46
5005448763cell junctionsanchor cells together for cellular exchange47
5005448764anchoring junctions(animals) protein attachments between cells EX: desmosome48
5005448765tight junctions(animals) seal that prevents cellular exchange49
5005448766communication junctionsallow chemical and electrical signal passage50
5005448767gap junctions(animals) (communication) narrow tunnels; basically channel protein connecting 2 cells51
5005448768plasmodesmata(plants) (communication) narrow tunnels; like gap junctions52
5005448769prokaryotesplasma membrane, DNA, ribosomes, cytoplasm, cell wall53
5005448770hypertonicsolute hypertonic to solution=higher [solutes]54
5005448771hypotonicsolute hypotonic to solution=lower [solutes]55
5005448772isotonic[solute]=[solution]56
5005448773bulk flowcollective movement in response to pressure57
5005448774passive transport[higher] to [lower]; increases w/ increase in [x], temp., smaller particle size58
5005448775diffusionrandom mvmnt leads to net mvmnt from [high] to [low]59
5005448776osmosisdiffusion of water across selectively permeable mmbrn60
5005448777turgor pressureosmosis into cell61
5005448778plasmolysisosmosis out of cell62
5005448779cell lysisswelling of cell b/c excess turgor pressure63
5005448780facilitated diffusiondiffusion through channel or carrier proteins64
5005448781active transport[lower] to [higher]; requires use of E (usually ATP)65
5005448782electrochemical gradientcombo. of concentration and electrical voltage gradients of ions66
5005448783cotransportprotein that allows downhill mvmt to drive another uphill; E for uphill from [gradient] from downhill67
5005448784vesicular transportuses vesicles to move substances across plasma mmbrn68
5005448785exocytosisfuse w/ membrane, release contents outside cell69
5005448786endocytosiscapture substance outside cell, fuse w/ membrane, release contents into cell; 3 types: phagocytosis, pinocytosis, receptor-mediated70
5005448787phagocytosiscellular eating; undissolved material enters cell; forms phagocytic vesicle71
5005448788pinocytosiscellular drinking; dissolved material enters cell; forms liquid vesicle72
5005448789receptor-mediated endocytosisspecific molec. (ligands) binds to site, resulting in pinocytosis73
5005448790water potentialmovement of water from where there is high potential to low potential; based upon solute and pressure components74
5005448791solute potential=-iCRT i = ionization constant (NaCl = 2, glucose = 1) C = concentration (M) R = constant (0.0831 mol-liters/bar K) T = temperature (K) more solute = lower overall potential75
5005448792pressure potentialmeasurement of pressure, in an open container usually = 076

Calculus Review For AP Exam Flashcards

AP Calculus Review For Exam

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633949014510
633949014601
6339490147Squeeze Theorem2
6339490148f is continuous at x=c if...3
6339490149Intermediate Value TheoremIf f is continuous on [a,b] and k is a number between f(a) and f(b), then there exists at least one number c such that f(c)=k4
6339490150Global Definition of a Derivative5
6339490151Alternative Definition of a Derivativef '(x) is the limit of the following difference quotient as x approaches c6
6339490152nx^(n-1)7
633949015318
6339490154cf'(x)9
6339490155f'(x)+g'(x)10
6339490156The position function OR s(t)11
6339490157f'(x)-g'(x)12
6339490158uvw'+uv'w+u'vw13
6339490159cos(x)14
6339490160-sin(x)15
6339490161sec²(x)16
6339490162-csc²(x)17
6339490163sec(x)tan(x)18
6339490164dy/dx19
6339490165f'(g(x))g'(x)20
6339490166Extreme Value TheoremIf f is continuous on [a,b] then f has an absolute maximum and an absolute minimum on [a,b]. The global extrema occur at critical points in the interval or at endpoints of the interval.21
6339490167Critical NumberIf f'(c)=0 or does not exist, and c is in the domain of f, then c is a critical number. (Derivative is 0 or undefined)22
6339490168Rolle's TheoremLet f be continuous on [a,b] and differentiable on (a,b) and if f(a)=f(b) then there is at least one number c on (a,b) such that f'(c)=0 (If the slope of the secant is 0, the derivative must = 0 somewhere in the interval).23
6339490169Mean Value TheoremThe instantaneous rate of change will equal the mean rate of change somewhere in the interval. Or, the tangent line will be parallel to the secant line.24
6339490170First Derivative Test for local extrema25
6339490171Point of inflection at x=k26
6339490172Combo Test for local extremaIf f'(c) = 0 and f"(c)<0, there is a local max on f at x=c. If f'(c) = 0 and f"(c)>0, there is a local min on f at x=c.27
6339490173Horizontal Asymptote28
6339490174L'Hopital's Rule29
6339490175x+c30
6339490176sin(x)+C31
6339490177-cos(x)+C32
6339490178tan(x)+C33
6339490179-cot(x)+C34
6339490180sec(x)+C35
6339490181-csc(x)+C36
6339490182Fundamental Theorem of Calculus #1The definite integral of a rate of change is the total change in the original function.37
6339490183Fundamental Theorem of Calculus #238
6339490184Mean Value Theorem for integrals or the average value of a functions39
6339490185ln(x)+C40
6339490186-ln(cosx)+C = ln(secx)+Chint: tanu = sinu/cosu41
6339490187ln(sinx)+C = -ln(cscx)+C42
6339490188ln(secx+tanx)+C = -ln(secx-tanx)+C43
6339490189ln(cscx+cotx)+C = -ln(cscx-cotx)+C44
6339490190If f and g are inverses of each other, g'(x)45
6339490191Exponential growth (use N= )46
6339490192Area under a curve47
6339490193Formula for Disk MethodAxis of rotation is a boundary of the region.48
6339490194Formula for Washer MethodAxis of rotation is not a boundary of the region.49
6339490195Inverse Secant Antiderivative50
6339490196Inverse Tangent Antiderivative51
6339490197Inverse Sine Antiderivative52
6339490198Derivative of eⁿ53
6339490199ln(a)*aⁿ+C54
6339490200Derivative of ln(u)55
6339490201Antiderivative of f(x) from [a,b]56
6339490202Opposite Antiderivatives57
6339490203Antiderivative of xⁿ58
6339490204Adding or subtracting antiderivatives59
6339490205Constants in integrals60
6339490206Identity functionD: (-∞,+∞) R: (-∞,+∞)61
6339490207Squaring functionD: (-∞,+∞) R: (o,+∞)62
6339490208Cubing functionD: (-∞,+∞) R: (-∞,+∞)63
6339490209Reciprocal functionD: (-∞,+∞) x can't be zero R: (-∞,+∞) y can't be zero64
6339490210Square root functionD: (0,+∞) R: (0,+∞)65
6339490211Exponential functionD: (-∞,+∞) R: (0,+∞)66
6339490212Natural log functionD: (0,+∞) R: (-∞,+∞)67
6339490213Sine functionD: (-∞,+∞) R: [-1,1]68
6339490214Cosine functionD: (-∞,+∞) R: [-1,1]69
6339490215Absolute value functionD: (-∞,+∞) R: [0,+∞)70
6339490216Logistic functionD: (-∞,+∞) R: (0, 1)71
6339490217cos(π/6)√3/272
6339490218cos(π/4)√2/273
6339490219cos(π/3)1/274
6339490220cos(π/2)075
6339490221cos(2π/3)−1/276
6339490222cos(3π/4)−√2/277
6339490223cos(5π/6)−√3/278
6339490224cos(π)−179
6339490225cos(7π/6)−√3/280
6339490226cos(5π/4)−√2/281
6339490227cos(4π/3)−1/282
6339490228cos(3π/2)083
6339490229cos(5π/3)1/284
6339490230cos(7π/4)√2/285
6339490231cos(11π/6)√3/286
6339490232cos(2π)187
6339490233sin(π/6)1/288
6339490234sin(π/4)√2/289
6339490235sin(π/3)√3/290
6339490236sin(π/2)191
6339490237sin(2π/3)√3/292
6339490238sin(3π/4)√2/293
6339490239sin(5π/6)1/294
6339490240sin(π)095
6339490241sin(7π/6)−1/296
6339490242sin(5π/4)−√2/297
6339490243sin(4π/3)−√3/298
6339490244sin(3π/2)−199
6339490245sin(5π/3)−√3/2100
6339490246sin(7π/4)−√2/2101
6339490247sin(11π/6)−1/2102
6339490248sin(2π)0103
6339490249f(x) = e^(x-2)Asymptote: y=0 Domain: (-∞, ∞)104
6339490250f(x)=ln(x-2)Asymptote: x=2 Domain: (2, ∞)105
6339490251f(x)=ln(-x)Asymptote: x=0 Domain: (-∞, 0)106
6339490252f(x)=e^(x+2)Asymptote: y=0 Domain: (-∞, ∞)107
6339490253f(x)= -2+lnxAsymptote: x=0 Domain: (0, ∞)108
6339490254f(x)=-lnxAsymptote: x=0 Domain: (0, ∞)109
6339490255f(x) = e^(x) +2Asymptote: y=2 Domain: (-∞, ∞)110
6339490256f(x)=ln(x+2)Asymptote: x=-2 Domain: (-2, ∞)111
6339490257What does the graph y = sin(x) look like?112
6339490258What does the graph y = cos(x) look like?113
6339490259What does the graph y = tan(x) look like?114
6339490260What does the graph y = csc(x) look like?115
6339490261What does the graph y = sec(x) look like?116
6339490262What does the graph y = cot(x) look like?117
6339490263d/dx[e^x]=e^x118
6339490264d/dx[a^x]=a^x*lna119
6339490265d/dx[e^g(x)]=g'(x)e^g(x)120
6339490266d/dx[a^g(x)]=g'(x)a^g(x)lna121
6339490267d/dx[cos⁻¹x]=-1/√(1-x^2)122
6339490268d/dx[sin⁻¹x]=1/√(1-x^2)123
6339490269d/dx[tan⁻¹x]=1/(1+x^2)124
6339490270d/dx[tanx]=sec²x125
6339490271d/dx[secx]=secxtanx126
6339490272d/dx[cscx]=-cscxcotx127
6339490273d/dx[cotx]=-csc²x128
6339490274∫e^xdx=e^x+C129
6339490275∫a^xdx=(a^x)/lna+C130
6339490276∫1/xdx=ln|x|+C131
6339490277∫1/(1+x^2)dx=tan⁻¹x+C132
6339490278∫1/(a^2+x^2)dx=(1/a)(tan⁻¹(x/a)+C133
6339490279∫1/√(1-x^2)dx=sin⁻¹x+C134
6339490280∫tanxdx=ln|secx|+C135
6339490281Trig Identity: 1=cos²x+sin²x136
6339490282Trig Identity: sec²x=tan²x+1137
6339490283Trig Identity: cos²x=½(1+cos(2x))138
6339490284Trig Identity: sin²x=½(1-cos(2x))139
6339490285Trig Identity: sin(2x)=2sinxcosx140
6339490286Trig Identity: cos(2x)=1-2sin²x = 2cos²x-1141
6339490287Integration by Parts: Choice of uI = Inverse Trig Function L = Natural log (lnx) A = Algebraic Expression (x, x², x³...) T = Trig function (sinx, cosx) E = e^x142
6339490288∫secxdx=ln|secx+tanx|+C143
6339490289What does the graph y = sin(x) look like?144
6339490290What does the graph y = cos(x) look like?145
6339490291What does the graph y = tan(x) look like?146
6339490292What does the graph y = csc(x) look like?147
6339490293What does the graph y = sec(x) look like?148
6339490294What does the graph y = cot(x) look like?149
6339490295d/dx[e^x]=e^x150
6339490296d/dx[a^x]=a^x*lna151
6339490297d/dx[e^g(x)]=g'(x)e^g(x)152
6339490298d/dx[a^g(x)]=g'(x)a^g(x)lna153
6339490299d/dx[cos⁻¹x]=-1/√(1-x^2)154
6339490300d/dx[sin⁻¹x]=1/√(1-x^2)155
6339490301d/dx[tan⁻¹x]=1/(1+x^2)156
6339490302d/dx[tanx]=sec²x157
6339490303d/dx[secx]=secxtanx158
6339490304d/dx[cscx]=-cscxcotx159
6339490305d/dx[cotx]=-csc²x160
6339490306∫e^xdx=e^x+C161
6339490307∫a^xdx=(a^x)/lna+C162
6339490308∫1/xdx=ln|x|+C163
6339490309∫1/(1+x^2)dx=tan⁻¹x+C164
6339490310∫1/(a^2+x^2)dx=(1/a)(tan⁻¹(x/a)+C165
6339490311∫1/√(1-x^2)dx=sin⁻¹x+C166
6339490312∫tanxdx=ln|secx|+C167
6339490313Trig Identity: 1=cos²x+sin²x168
6339490314Trig Identity: sec²x=tan²x+1169
6339490315Trig Identity: cos²x=½(1+cos(2x))170
6339490316Trig Identity: sin²x=½(1-cos(2x))171
6339490317Trig Identity: sin(2x)=2sinxcosx172
6339490318Trig Identity: cos(2x)=1-2sin²x = 2cos²x-1173
6339490319Integration by Parts: Choice of uI = Inverse Trig Function L = Natural log (lnx) A = Algebraic Expression (x, x², x³...) T = Trig function (sinx, cosx) E = e^x174
6339490320∫secxdx=ln|secx+tanx|+C175

Chapters 12-14 Vocabulary-B My Brother Sam is Dead Flashcards

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7950569318Prisonp.164 Jail0
7950569319Long Island Soundp.166 a body of water (sound) between Long Island and Connecticut; all watersheds in CT reach LI sound1
7950569320Encampedp.168 To set up or occupy a camp2
7950569321Merchantp.169 A person who makes money by selling goods3
7950569322Hungerp.170 The physical need for food4
7950569323Tornp.171 Ripped5
7950569324Rumorp.172 A piece of information people talk about that may not be true6
7950569325Thinp.175 Skinny7
7950569326Hutsp.176 Dwelling made from reeds, grasses, leaves, twig, wattle, tree branches, stones, mud, etc.8
7950569327Colonelp.182 a military rank below general9
7950569328Moonlightp.183 The light of the moon10
7950569329Staggeringp.183 walk or move unsteadily, as if about to fall.11
7950569330Prayp.184 To ask12
7950569331Guiltyp.194 not Innocent13
7950569332Hopep.197 To believe in the possibility that what one wants can actually happen14
7950569333Bayonetp.201 A long steel knife attached to the end of a gun15
7950569334Mantlepiecep.201 shelf above fireplace16
7950569335Flamesp.201 Fire17
7950569336Logp.201 Wood18
7950569338Ridgep.203 A long, narrow chain of hills or mountains19
7950569339Dashp.204 rush, dart, bolt20
7950569340Lungedp.205 Moved forward suddenly21
7950569341Crowdp.207 A large group of people22

B12 Flashcards

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4464050796Other name for vitamin B12Cobalamin0
4464051478B12 is a ___________ soluble vitaminWater1
4464052209Structure of B12Consists of a Corrinoid ring (4 pyrrole rings) - cobalt atom in centre2
4464058848B12 found in the body in 2 formsMethylcobalamin 5'-deoxyadenosylcobalamin3
4464063410B12 and folate (methylation cycle)In the cells folate is trapped in its inactive form To activate folate, vitamin B12 removes and keeps the methyl group, which activates vitamin B12 Both the folate co-enzyme and vitamin B12 co-enzyme are now active and available for DNA synthesis4
4464067380Deficiencies of B12 or folate have significant impact on what?Body's ability to produce new cells (normal cellular growth and metabolism)5
4464094733Vitamin B12 is made by _______Bacteria - tend to get it through contamination of food sources (e.g. cows, cow products)6
4464097257RDI for B122.4 μg/day Require only a small amount - good at conserving B12 (large amounts stored in liver)7
4464098690Natural sources of B12Eggs Meat Poultry Shellfish Milk Milk products8
4464101820B12 is also added toFortified grain products, such as cereals9
4464105974Who is at risk of primary B12 deficiencyVegan and strict vegetarian diets (don't consume meat or dairy products)10
4464109240B12 deficiency in NZLast nutrition survey (2009) found quite high rates of B12 deficiency - particularly in women of Asian (Indian) ethnicity11
4464121060Conservation of B12About 1mg daily is secreted in bile, most reabsorbed associated with IF (enterohepatic circulation) Liver stores - several years12
4464122700Deficiency of B12 manifests asMegaloblastic (macrocytic) anaemia Neuropathy13
4464123000Megaloblastic (macrocytic) anaemiaLarger than normal RBCs Shape of RBCs is irregular Same blood film seen as in folate deficiency14
4464129644Neuropathy as a result of B12 deficiencySub-acute combined degeneration of the spinal cord (? From build up of SAM in methylation cycle) Not seen in folate deficiency15
4464133074Supplementation of B12Vegans Malabsorption syndromes (e.g. pernicious anaemia) are usually treated with intra-muscular injections16
4464137997Low haemoglobin indicatesAnaemia17
4464138769Elevated mean cell volumeMeasures cell size Elevated = larger size18
4464277445ReticulocytesImmature RBCs Sometimes released into blood in response anaemia19
4464277446What can explain shortness of breath and tirednessSevere anaemia20
4464278232Low reticulocytes in someone with anaemiaImplies that the bone marrow is unable to respond to the usual stimulus of anaemia21
4464279213Requirements for normal erythropoeisisIron Folate B1222
4464282116Requirements to absorb B12Normal acid secretion (to release food-bound cobalamin) Normal intrinsic factor* (from healthy parietal cells - for absorption) Normal pancreatic secretion (pancreatic proteases release Cbl from haptocorrin) Normal ileal absorptive function* (absorbed through brush border receptors) * Most important factors23
4464284439Lack of B12 - due to stomach problemLack of intrinsic factor due to pernicious anaemia Not enough intrinsic factor to bind to B12, which means B12 cannot be absorbed later on in the small intestine24
4464295166Pernicious AnaemiaAutoimmune disorder with antibodies against intrinsic factor and parietal cells25
4464296384Lack of B12 - due to small intestinal problemB12 binds to intrinsic factor normally but is not absorbed in small intestine e.g. surgery to remove terminal ileum, Crohn's disease causing inflammation in the terminal ileum26
4464299433Schilling testRadioisotope test Used to determine if patient has lack of intrinsic factor Rarely used in clinical practice these days27
4464302744Schilling test disadvantagesTime consuming Involves radioisotopes Requires collection of urine Results can be difficult to interpret - the distinction between ileal and gastric disease not clear-cut28
4464304841Evidence of autoimmune gastritisAntibodies to parietal cells Antibodies to intrinsic factor Evidence of autoimmune gastritis on gastric biopsies Evidence of low acid output (raised plasma gastrin) Evidence of other autoimmune disease (e.g. thyroid disease) - autoimmune diseases tend to occur together29
4475329121Antibodies to parietal cellsHealthy people also have these Only negative test useful = no pernicious anaemia30
4464305877Treatment of B12 deficiency needs to be _______ doses because of ________Depleted reserves have taken 3-5 years to "run-out" Need high doses to replace - 1000 mcg every week for 4-6 weeks then maintenance of 1000 mcg every 3 months31
4464306505How is the treatment for B12 deficiency given?Parenteral (intramuscular) - because of impaired absorption by the GI tract32
4464306698Following treatment for B12 deficiency, need to...Monitor response to B12 replacement - Check B12 levels - Increase in haemoglobin / reticulocyte response - Resolution of neurological symptoms33
4464316308Failure to reabsorb bile salts (in distal ileal resection)Bile salts are instead lost through the colon Irritant effect of bile salts on colon - secretory diarrhoea Impaired absorption of fat because of reduced bile salts (high faecal fat)34
4475339726Explanation for low B12 after terminal ileal resectionLoss of specialised receptors on terminal ileum leads to: - failure to absorb B12 - failure to reabsorb bile salts35
4464316309Other causes of low B12Coeliac disease Terminal ileal disease e.g. Crohn's Bacterial overgrowth - B12 and B12/intrinsic factor complex utilised by intestinal bacteria Chronic pancreatitis Total gastrectomy - also weight-loss procedures Some drugs - omeprazole, metformin36
4475351801Partial gastrectomyBillroth 1 - distal antrum and beginning of duodenum removed, 2 ends joined Billroth 2 - distal antrum and beginning of duodenum removed, duodenum closed, jejunum joined to stomach37
4475358471Explanation for low B12 after partial gastrectomyNo antrum > no G cells > low gastrin Loss of gastric acid secretion (release of food-bound B12) Atrophic gastritis (caused by bile reflux, due to no pylorus) > loss of parietal cells > loss of IF secretion Failure of normal stimulation of pancreatic secretion/failure of mixing of pancreatic juice with food38
4475369141Explanation for low B12 in coeliac diseaseLoss of small bowel villi - mainly jejunal; some loss of ileal function Loss of endocrine cells that secrete secretin and cholecystokinin - stimulate pancreatic secretion In severe cases - damage to villi occurs from duodenum to ileum - less ileal receptors39

Vocab 8 12 B Flashcards

Terms : Hide Images
8304184321acrimoniousstinging, biting in temper or tone0
8304184322bovineresembling a cow or ox; sluggish, unresponsive1
8304196434consternationdismay, confusion2
8304197916corpulentfat; having a large, bulky body3
8304199420disavowto deny responsibility for or connection with4
8304284197dispassionateimpartial; calm, free from emotion5
8304203118dissensiondisagreement, sharp difference of opinion6
8304205562dissipateto cause to disappear; to scatter, dispel; to spend foolishly, squander; to be extravagant in pursuit of pleasure7
8304212040expurgateto remove objectionable passages or words from a written text; to cleanse, purify8
8304215954gauntletan armored or protective glove; a challenge; two lines of men armed with weapons with which to beat a person forced to run between them; an ordeal9
8304223349hypotheticalbased on an assumption or guess; used as a provisional or tentative idea to guide or direct investigation10
8304228540ignoblemean, low, base11
8304230977impugnto call into question; to attack as false12
8304234711intemperateimmoderate, lacking in self-control; inclement13
8304238150odiumhatred, contempt; disgrace or infamy resulting from hateful conduct14
8304241285perfidyfaithlessness, treachery15
8304243223relegateto place in a lower position; to assign, refer, turn over; to banish16
8304245944squeamishinclined to nausea; easily shocked or upset; excessively fastidious or refined17
8304254309susceptibleopen to; easily influence; lacking in resistance18
8304250467subservientsubordinate in capacity or role; submissively obedient serving to promote some end19

B 1-3 / 12 Flashcards

Terms : Hide Images
8933690183go on holidaynyaralni megy0
8933690184go abroadkülföldre megy1
8933690185go on an adventurekalandozni megy2
8933690186go on a sightseeing tripvárosnéző túrára megy3
8933690187go on a cruisetengeri útra megy4
8933690188decide on the destinationeldönti az úticélt5
8933690189make a hotel reservationszállodai szobát foglal6
8933690190change moneypénzt vált7
8933690191pack for the tripbecsomagol az útra8
8933690192take a backpackhátizsákot visz9
8933690193hitchhikestoppol10
8933690194relaxrelaxál11
8933690195chilllazít12
8933690196plan the itinerarymegtervezi az útvonalat13
8933690197sail on a cruise shipluxushajón utazik14
8933690198go on a world cruisevilágkörüli hajóútra megy15
8933690199find his cabinmegtalálja a kabinját16
8933690200wait in the porta kikötőben vár17
8933690201stand on the decka fedélzeten áll18

Unit 7 AP World History 1900 - Present (Chaps. 33-35) Vocab Zeel Flashcards

Terms : Hide Images
6359417472AlliancesAgreement between 2 or more countries to help each other out in war0
6359417473ArmisticeA state of peace agreed to between opponents so they can discuss peace terms1
6359417474Black HandSerbian nationalist/terrorist group responsible for the assassination of Austrian Archduke Franz Ferdinand which resulted in the start of World War I.2
6359417475Central PowersAn alliance during World War I that originally consisted of Germany and Austria-Hungary. Other nations, including Bulgaria and the Ottoman Empire, joined later.3
6359417476ConscriptionA military draft4
6359417477Gavrilo PrincipThe assassin of Archduke Francis Ferdinand of Austria, a member of the Black Hand5
6359417478ImperialismA policy in which a strong nation seeks to dominate other countries politically, socially, and economically.6
6359417479League of NationsAn international organization formed in 1920 to promote cooperation and peace; suggested in Wilson's 14 Points.7
6359417480MilitarismA policy of glorifying military power and keeping a standing army always prepared for war8
6359417481Mustafa KemalCommander who led Turks against Greeks/British and to overthrow the last Sultan. He became president of the new republic of Turkey and had reforms: separate laws of Islam and laws of the nation, abolish religious courts, new European style law system, granted women right to vote and hold office, government funded programs to spur economic growth9
6359417482NationalismA sense of national pride to such an extent of exalting one nation above all others10
6359417483No Man's LandA strip of land between the trenches of opposing armies along the Western Front during WW111
6359417484Pan-SlavismThe idea that Slavic peoples should identify with each other and have their own nation. Heavily promoted by Russia at the end of the 19th century as a way to promote her own imperialistic aspirations in the Balkans.12
6359417485Powder KegEurope Pre-WWI, called this because one spark could cause the whole continent to erupt into warfare.13
6359417486PropagandaIdeas spread to influence public opinion for or against a cause.14
6359417487RationRestricting the amount of food and other goods people may buy during wartime to assure adequate supplies for the military15
6359417488ReparationsAs part of the Treaty of Versailles, Germany was ordered to pay fines to the Allies to repay the costs of the war. Opposed by the U.S., it quickly led to a severe depression in Germany.16
6359417489Schlieffen PlanGerman General Staff's early 20th century overall strategic plan for victory in a possible future war where it might find itself fighting on two fronts: France to the west and Russia to the east.17
6359417490Self-DeterminationThe right of people to choose their own form of government18
6359417491StalemateA situation in which no progress can be made or no advancement is possible19
6359417492Treaty of Brest-LitovskTreaty which Russia lost substantial territory to the Germans. Ended Russian participation in the WWI20
6359417493Treaty of Versailles1919 treaty that officially ended World War I; the harsh penalties it placed on Germany are regarded as one of the causes of World War II21
6359417494U-BoatsGerman submarines used in World War I22
6359417495Vladimir LeninRussian founder of the Bolsheviks and leader of the Russian Revolution and first head of the USSR (1870-1924).23
6359417496War of AttritionA war based on wearing the other side down by constant attacks and heavy losses24
6359417497Woodrow WilsonAfter World War I, this United States president sought to reduce the risk of war by writing the Fourteen Points that influenced the creation of the League of Nations.25
6359417498ZeppelinsLarge gas filled balloons used by Germany to drop bombs26
6359417499Zimmerman Note1917 - Germany sent this to Mexico instructing an ambassador to convince Mexico to go to war with the U.S. It was intercepted and caused the U.S. to mobilized against Germany27
6359417501Anti-SemitismHostility to or prejudice against Jews.28
6359417502BlackshirtsMembers of Italian fascists before WWII. It was led by Mussolini. Helped solidify Mussolini's control29
6359417503Bolshevik Revolution1917 uprising in Russia led by Vladimir Lenin which established a communist government and withdrew Russia from World War I.30
6359417504CollectivizationThe process seen in the Soviet Union and Communist China to form communal work units for agriculture and manufacturing--from private hands to large, collective, government operations.31
6359417505EthnocentrismThe belief that one's group is of central importance, tendency to judge the practices of other groups by one's own cultural standards.32
6359417506Eugenicsstudy of factors that influence the hereditary qualities of the human race and ways to improve those qualities33
6359417507FascismA political movement that promotes an extreme form of nationalism, a denial of individual rights, and a dictatorial one-party rule.34
6359417508Great Depression(1929-1939) The dramatic decline in the world's economy due to the United State's stock market crash of 1929, the overproduction of goods from World War I, and decline in the need for raw materials from non industrialized nations. Results in millions of people losing their jobs as banks and businesses closed around the world. Many people were reduced to homelessness, and had to rely on government sponsored soup kitchens to eat. World trade also declined as many countries imposed protective tariffs in an attempt to restore their economies.35
6359417509John Maynard KeynesEconomist who argued that for a nation to recovery fully from a depression, the govt had to spend money to encourage investment and consumption36
6359417510Joseph StalinBolshevik revolutionary, head of the Soviet Communist Party after 1924, and dictator of the Soviet Union from 1928 to 1953. He led the Soviet Union with an iron fist, using Five-Year Plans to increase industrial production and terror to crush all opposition.37
6359417511Kristallnacht(Night of the Broken Glass) 1938, when mobs throughout Germany destroyed Jewish property and terrorized Jews.38
6359417512KulaksRussian peasants who became wealthy under Lenin's New Economic Policy39
6359417513NazisAdolf Hitler used fascism to create this type of government based on totalitarian ideas and was used to unite Germany during the 1930s.40
6359417514New DealA series of reforms enacted by the FDR's administration between 1933 and 1942 with the goal of ending the Great Depression.41
6359417515New Economic PolicyPolicy proclaimed by Vladimir Lenin in 1924 to encourage the revival of the Soviet economy by allowing small private business and farming using markets instead of communist state ownership. His idea was that the Soviet state would just control "the commanding heights" of the economy like major industry, while allowing ordinary citizens to operate business and property ownership as normal42
6359417516Nuremberg Laws1935 laws defining the status of Jews and withdrawing citizenship from persons of non-German blood.43
6359417517Pablo Picassoa Spanish artist, founder of Cubism, which focused on geometric shapes and overlapping planes44
6359417518PurgeThe process of getting rid of something or someone decisively45
6359417519RecessionA period of declining economic growth46
6359417520Red TerrorCampaign of mass killings, torture, and systematic oppression conducted by the Bolsheviks after they seized power in Petrograd and Moscow in 191747
6359417521Self-SufficiencyThe state of not requiring any aid, support, or interaction, for survival; it is therefore a type of personal or collective autonomy.48
6359417522Sigmund FreudA psychologist who developed psychoanalysis. Believed strongly that unconscious drives and desires guided people's actions.49
63594175235-Year PlanStalin's plan to reorganize the industry and agriculture to catch up with the industrialized West with collectivization of farms and production quotas in factories50
6359417524SuffrageThe right to vote51
6359417525US Stock Market Crash1929. This triggered the collapse into the Great Depression.52
6359417526XenophobicHaving a fear or hatred for foreigners53
6359417528AhimsaHindu belief in nonviolence and reverence for all life54
6359417529Amritsar Massacre1919. British soldiers fired upon a group of nonviolent, Indian protestors killing men, women and children in the crowd. Marked a turning point in the Indian independence movement.55
6359417531Civil DisobedienceA nonviolent, public refusal to obey allegedly unjust laws.56
6359417532Dollar DiplomacyForeign policy of President William Howard Taft, which favored increased American investment in the world as the major method for increasing American influence and stability abroad; in some parts of the world, such as in Latin America, the increased American influence was resented.57
6359417533Fidel CastroCuban socialist leader who overthrew a dictator in 1959 and established a Marxist socialist state in Cuba (born in 1927)58
6359417534GandhiIndian nationalist and spiritual leader who developed the practice of nonviolent disobedience that forced Great Britain to grant independence to India (1947). He was assassinated by a Hindu fanatic.59
6359417535Good Neighbor PolicyFDR's foreign policy of promoting better relations w/Latin America by using economic influence rather than military force60
6359417536Indian National CongressA movement and political party founded in 1885 to demand greater Indian participation in government. Its membership was middle class, and its demands were modest until World War I. Led after 1920 by Mohandas K. Gandhi, appealing to the poor.61
6359417537Infrastructurethe basic physical and organizational structures and facilities (e.g., buildings, roads, and power supplies) needed for the operation of a society or enterprise.62
6359417538Jiang Jieshi (Chiang Kai-Shek)Nationalist (non-communist) leader in China -overthrown by Mao Zedong63
6359417539Long MarchThe 6,000-mile (9,600-kilometer) flight of Chinese Communists from southeastern to northwestern China. The Communists, led by Mao Zedong, were pursued by the Chinese army under orders from Chiang Kai-shek. (789)64
6359417540ManchuriaA northern industrial province in China, invaded by the Japanese in 1931. From here the Japanese would launch an invasion of mainland China beginning in 1937.65
6359417541Mao Zedong(1893-1976) Leader of the Communist Party in China that overthrew Jiang Jieshi and the Nationalists. Established China as the People's Republic of China and ruled from 1949 until 1976.66
6359417542Muhammad Ali JinnahIndian Muslim politician who founded the state of Pakistan. A lawyer by training, he joined the All-India Muslim League in 1913. As leader of the League from the 1920s on67
6359417543Muslim LeagueAn organization formed in 1906 to protect the interests of India's Muslims, which later proposed that India be divided into separate Muslim and Hindu nations68
6359417544Nationalist PartyThe party of Chiang Kai-shek. They ruled China from 1928 until the victory of the Communists in 1949. This party led a revolution against the emperor 1911. They also tried to establish a democracy. When they were defeated by the communists they fled to Taiwan. Guomindang69
6359417545Neo-ColonialismA policy whereby a major power uses economic and political means to perpetuate or extend its influence over underdeveloped nations or areas70

AP World history sheet 2 Flashcards

Terms : Hide Images
7286201159Nara and Heian Japanthe last division of classical Japanese history, running from 794 to 1185.0
7286210122The fujiwara clandescending from the Nakatomi clan and through them Ame-no-Koyane-no-Mikoto, was a powerful family of regents in Japan.1
7288420956Lady murasaki and "the tale of genji"a classic work of Japanese literature written by the noblewoman and lady-in-waiting Murasaki Shikibu in the early years of the 11th century in "concertina" or "orihon" style2
7288429643Central Asia and mongoliaCountry in north-central Asia, bordered by Russian Siberia to the north, and China to the east, south, and west.3
7288437816The aryan invasion of IndianIndia was invaded and conquered by nomadic light-skinned Indo-European tribes from Central Asia around 1500-100 BC, who overthrew an earlier and more advanced dark-skinned Dravidian civilization from which they took most of what later became Hindu culture.4
7288449665Dravidiansa member of any of the peoples speaking a Dravidian language.5
7288452615Indian caste systemYou are the social class your parents were.6
7288475448AshokaKnown as "the Great." Died 232 bc. King of Magadha (273-232) who united most of the Indian subcontinent under one rule and was converted to Buddhism, establishing it as the state religion.7
7288481522Constantinople/ Byzantine EmpireThe Byzantine Empire, also referred to as the Eastern Roman Empire, was the continuation of the Roman Empire in the East during Late Antiquity and the Middle Ages, when its capital city was Constantinople.8
7288488285JustinianJustinian I, traditionally known as Justinian the Great and also Saint Justinian the Great in the Eastern Orthodox Church, was the Byzantine emperor from 527 to 565.9
7288493893Early medieval Europe "dark ages"Migration period, also called Dark Ages or Early Middle Ages, the early medieval period of western European history—specifically, the time (476-800 ce) when there was no Roman (or Holy Roman) emperor in the West or, more generally, the period between about 500 and 1000, which was marked by frequent warfare10
7291251492Feudalismthe dominant social system in medieval Europe, in which the nobility held lands from the Crown in exchange for military service, and vassals were in turn tenants of the nobles, while the peasants (villeins or serfs) were obliged to live on their lord's land and give him homage, labor, and a share of the produce, notionally in exchange for military protection.11
7291252759CharlemagneThe first emperor of the Holy Roman Empire; his name means "Charles the Great." Charlemagne was king of France in the late eighth and early ninth centuries and was crowned emperor in 800.12
7291266519Mohammed and the foundation of IslamThe religious, social, and political tenets that Muhammad established in the light of Quran became the foundation of Islam and the Muslim world.13
7291285184Umayyad and abbasid caliphatesThe Abbasid dynasty descended from Muhammad's uncle, Al-Abbas ibn Abd al-Muttalib (566-653 CE), from whom the dynasty takes its name.They ruled as caliphs, for most of their period from their capital in Baghdad in modern-day Iraq, after assuming authority over the Muslim empire from the Umayyads in 750 CE (132 AH).14
7291297946Bantu and their migrationsThe Bantu Migration is the movement of the Bantu people, originally from Congo, into other countries of eastern and southern Africa such as Tanzania and Kenya.15
7291304530NubiaNubia is a region along the Nile rivers encompassing the areas between what is today central Sudan and southern Egypt.16
7291305650GhanaGhana, a nation on West Africa's Gulf of Guinea, is known for diverse wildlife, old forts and secluded beaches, such as at Busua.17
7291306826OlmecThe Olmecs were the first major civilization in Mexico following a progressive development in Soconusco.18
7291306827MayaThe Maya civilization was a Mesoamerican civilization developed by the Maya peoples, and noted for its hieroglyphic script—the only known fully developed writing system of the pre-Columbian Americas19
7291308492The persian empireThe Persian Empire is one of a series of imperial dynasties centered in Persia. The first of these was the Achaemenid Empire established by Cyrus the Great in 550 BC with the conquest of Median, Lydian and Babylonian empires.20
7291311241The hebrews and monotheismJudaism is one of the oldest monotheistic religions in the world. God in Judaism is strictly monotheistic, an absolute one, indivisible, and incomparable being who is the ultimate cause of all existence.21
7291313794The phoenicians and the alphabetThe Phoenician alphabet was perhaps the first alphabetic script to be widely-used22
7291315994The lydians and coinageCoins are said to have been invented in Lydia around the 7th century BC.23
7291324037Greek City-statesAthens and Sparta There was Corinth, which was the richest commercial city of ancient Greece. Thebes is the birthplace of Hercules24
7291327217Democracya system of government by the whole population or all the eligible members of a state, typically through elected representatives.25
7291327218Persian warsThe Greco-Persian Wars were a series of conflicts between the Achaemenid Empire of Persia and Greek city-states that started in 499 BC and lasted until 449 BC.26
7291329311peloponnesian warThe Peloponnesian War was an ancient Greek war fought by the Delian League led by Athens against the Peloponnesian League led by Sparta.27
7291330244Alexander the greatAlexander III of Macedon, commonly known as Alexander the Great, was a king of the Ancient Greek kingdom of Macedon and a member of the Argead dynasty.28
7291332797Hellenismthe national character or culture of Greece, especially ancient Greece.29
7291334959HomerHomer is the name ascribed by the ancient Greeks to the legendary author of the Iliad and the Odyssey, two epic poems which are the central works of ancient Greek literature.30
7291337485Socrates and platoAlong with his teacher, Socrates, and his most famous student, Aristotle, Plato laid the very foundations of Western philosophy and science.31
7291348174AristotleAristotle was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidice, on the northern periphery of Classical Greece.32
7291349537Western scientific thoughtWestern philosophy is the philosophical thought and work of the Western world.33
7291352887Roman RepublicThe Roman Republic was the era of ancient Roman civilization beginning with the overthrow of the Roman Kingdom, traditionally dated to 509 BC, and ending in 27 BC with the establishment of the Roman Empire.34
7291355273Plebeians Vs. PatriciansThe distinction between patricians and plebeians in Ancient Rome was based purely on birth. Although modern writers often portray patricians as rich and powerful families who managed to secure power over the less-fortunate plebeian families, plebeians and patricians among the senatorial class were equally wealthy.35
7291360837punic warsThe Punic Wars were a series of three wars fought between Rome and Carthage from 264 BC to 146 BC. At the time, they were probably the largest wars that had ever taken place.36
7291362843Julius caesarGaius Julius Caesar, usually called Julius Caesar, was a Roman politician and general who played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.37
7291364295Roman empireThe Roman Empire was the post-Roman Republic period of the ancient Roman civilization, characterized by government headed by emperors and large territorial holdings around the Mediterranean Sea in Europe, Africa and Asia.38
7291372631Qin, Han, Tang DynastiesQin Dynasty was the first unified, multi-national and power-centralized state in the Chinese history. It lasted from 221 BC to 207 BC. Although surviving only 15 years, the dynasty held an important role in Chinese history and it exerted great influence on the following dynasties.In 207 BC, the army led by Liu Bang conquered the troops of the Qin Dynasty (221 - 207BC) at Julu (currently Hebei Province) and in 206 BC he seized Xianyang (the capital city of the Qin Dynasty), thus ending the rule of Qin. In the same year, he defeated his rival, Xiang Yu, and established the Han Dynasty (206BC - 220AD). Chang'an (the present Xian) was made its capital city in 202BC.Tang Dynasty was the most glistening historic period in China's history. Founded in 618 and ending in 907, the state, under the ruling of the Tang Emperors, became the most powerful and prosperous country in the world. Particularly, in this glorious period, the economy, politics, culture and military strength reached an unparalleled advanced level.39
7291374719Shi HuangdiQin Shi Huang was the founder of the Qin dynasty and was the first emperor of a unified China. He was born Ying Zheng or Zhao Zheng, a prince of the state of Qin40
7291377773Chinese tributary systemthe network of trade and foreign relations between China and its tributaries, which helped to shape much of East Asian affairs.41
7291378988The silk roadThe Silk Road or Silk Route was an ancient network of trade routes that were for centuries central to cultural interaction originally through regions of Eurasia connecting the East and West and stretching from the Korean peninsula and Japan to the Mediterranean Sea.42

Gr. 1 Unit 4 Mod. B L's#7-12 Flashcards

Terms : Hide Images
8846825042sunlightlight from the sun0
8846831810warmthheat1
8846847462sprinkleto scatter small drops of liquid or small pieces of something2
8846880997carefullyto act with care3
8846881000soaksgets very wet4
8846889265differentnot the same5
8846889266loosenot tight6
8846895495needsthings that are necessary for survival7
8846895496conditionsthe existing circumstances8
8846897768bestThey are _____ friends.9
8846897769worst|That was the _____ music I have ever heard! (bad)10
8846917555SomedayAt some future time.11

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