AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

AP BIO UNIT TEST Flashcards

Chapters 2-6

Terms : Hide Images
15031785232elements in carbohydratesC, H, O0
15031785233the simplest carbohydrates are (simple sugars)Monosaccharides1
15031785234What link is between monomers? CarbGlycosidic linkage2
15031785235Carbohydrates general structure/shapeHexagon3
15031785236Monosaccharides provide ________ extracted from cellular respirationEnergy4
15031785237Carbon skeletons serve as _________ for synthesis of other moleculesRaw material5
15031785238Disaccharides are ___ monosaccharides joined by a glycosidic linkage26
150317852392 examples of disaccharidessucrose, lactose7
150317852402 examples of monosaccharidesglucose and fructose8
15031785241Polysaccharides are 100 +_________ joined by glycosidic linkagesPolymers9
15031785242StarchPolymer of alpha glucose that is stored in plants10
15031785243Starch functions asStored energy because glucose represents cellular fuel11
15031785244GlycogenStored in animals primarily liver and muscle cells12
15031785245Glycogen functions asStored energy because hydrolysis of glycogen releases glucose13
15031785246CellulosePolymer of beta glucose14
15031785247Cellulose is a major component ofCell wall in plants15
15031785248Parallel cellulose molecules are held together in units called..Microfibrils16
15031785249Can humans digest cellulose?no - it passes through the digestive tract as fiber17
15031785250ChitinFound in the cell wall of fungi and used by Arthropods to build their exoskeleton18
15031785251Elements in LipidsC, H, O19
150317852521 trait all lipids shareHydrophobic (non-polar)20
150317852531 glycerol and 3 fatty acids join together by what type of bond?Ester linkage21
15031785254Building blocks of lipids1 glycerol and 3 fatty acids22
15031785255Saturated acids VS unsaturatedS: all single carbon bonds vs Un: 1 or more double carbon bonds23
15031785256Major function of lipidsLong term energy storage24
15031785257Phospholipids (add pic later) building blocks2 fatty acids 1 glycerol 1 phosphate group25
15031785258Major function of phospholipidsMake-up cell membrane26
15031785259SteroidsLipids characterized by a carbon skeleton consisting of 4 fused rings27
15031785260Major functions of steroidsMajor function: Cholesterol= component in cell membrane28
15031785261Many steroids are produced fromCholesterol29
15031785262elements in proteinsCHON30
15031785263Name of covalent bond between monomersPeptide bond31
150317852644 functions of proteinsTransport Storage Defense Structure32
15031785265Primary proteinA proteins sequence of amino acids Determined by inherited genes Like the order of letters in a word33
15031785266Secondary proteinFold or could as a result of hydrogen bonds between the backbone34
15031785267Possible structure: alpha helixDelicate coil held by hydrogen bonds every 4th amino acid35
15031785268Possible structure: beta pleated sheet2 or more reigns of the polypeptide chain lying side by side and are connected by hydrogen bonds between parts of the two polypeptide backbones36
15031785269Tertiary structureMore folding and coiling resulting from interactions between side chain37
15031785270What interactions could contribute to tertiary structure?Hydrophobic interactions Hydrogen bonds Disulfide bridges Ionic bonds38
15031785271quaternary structureOverall protein structure resulting from more than one of >2 polypeptides39
15031785272Examples of quaternary structures1. Fibrous ex. Collagen 2. Globular ex. Hemoglobin40
15031785273Elements in nucleic acidsC, H, O, N, P41
15031785274building blocks of nucleic acids are...Nucleotides42
15031785275What bond links the sugar of 1 nucleotide to the phosphate of the next?Phosphodiester bond43
15031785276What bond links complementary base pairsHydrogen bonds44
15031785277Gene expressionThe process of DNA directing the synthesis of RNA, which is then used to make proteins45
15031785278What are nucelotides made up of?A phosphate group, pentose sugar, and nitrogenous base46
15031785279DNA full namedeoxyribonucleic acid47
15031785280Nitrogenous bases are either...Pyrimidines OR purines48
15031785281DNA shapedouble helix49
15031785282where is DNA stored?nucleus50
15031785283What is DNA's function?store genetic information51
150317852844 nitrogenous bases found in DNAAdenine, Thymine, Cytosine, Guanine52
15031785285The sugar found in DNA is calleddeoxyribose53
15031785286RNA full nameribonucleic acid54
15031785287RNA shapesingle strand55
15031785288What is RNA made of?A base and a uracil, a ribose sugar and phosphate56
15031785289Sugar found in RNAribose57
150317852904 nitrogenous bases found in RNAadenine, cytosine, guanine, uracil58
15031785291What is the function of RNA?Carries protein blueprint from cells DNA to liposomes59
15031785292Results of waters high heat of vaporizationModerates earths climate Stabilizes temp in aquatic ecosystems Helps organisms from overheating Prevents lakes from drying up60
15031785293What causes water to bead?High surface tension61
15031785294How do you break a hydrogen bondHeat (energy)62
15031785295hydrogen bondweak attraction between a hydrogen atom and another atom63
15031785296(Water) polar=Unequal sharing of electrons64
15031785297Versatile Solvent (water)Water is a universal solvent65
15031785298Evaporative coolingThe process in which the surface of an object becomes cooler during evaporation, a result of the molecules with the greatest kinetic energy changing from the liquid to the gaseous state.66
15031785299heat of vaporization of waterhigh amount of energy required for liquid water to turn into water vapor67
15031785300Specific heatAmount of heat needed to change the temp of a substance68
15031785301surface tension (waters is high)The measure of how difficult it is to stretch or break the surface of water69
15031785302AdhesionClinging Together of two different substances because of hydrogen bonding70
15031785303CohesionWater molecules stick together because of hydrogen bonds71
15031785304condensation/dehydration synthesisGas to liquid o o o —> ooo72
15031785305At what temperature is water most dense?4 degrees Celsius73
150317853064 main types of macromolecules1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic acids74
15031785307Polymer (many)Long molecule of many similar building blocks75
15031785308Monomer (one)Single unit76
15031785309Macromolecules (organic)large molecules made up of repeating subunits77
15031785310water ______ as it freezesexpands78
15031785311Functional groups of organic compoundsHydroxyl, carboxyl, amino, phosphate, sulfhydryl79
15031785312Functional groupsAttach to carbon skeleton # & arrangement gives each one uniqueness Are all hydrophilic80
15031785313HydrocarbonsChains of ONLY a carbon and hydrogen81
15031785314Carbon can form up to __ single covalent bonds, or __ double bonds4, 282
15031785315ice is (more/less) dense than liquid waterless83
15031785316What are the most frequently occurring chemical elements in living things?CHON (carbon, hydrogen, oxygen, nitrogen)84
15031785317inorganic compoundsCompounds that do not contain carbon85
15031785318organic compoundscompounds containing carbon & hydrogen86
15031785319Hydrophilic (water loving) will dissolve....Ionic compounds ex:salt Polar compounds ex:sugar87
15031785320pH buffera solution that resists changes in pH when acids or bases are added to it; typically a solution of a weak acid and its conjugate base88
15031785321PH scale numbers0-7=acid 7=neutral 7-14=base89
15031785322PH scaleA range of values used to express the concentration of hydrogen ions in a solution90
15031785323Hydrophobic "water fearing" areNon-polar compounds; NOT water solvable Ex: oil91
15031785324aqueous solutionssolutions with water as the solvent Ex: cytoplasm, blood plasma92
15031785325Hydrolysis ooo —> o o oBreaks bond between monomers93
15031785326Micellelipid molecules that arrange themselves in a spherical form in aqueous solutions94
15031785327Heads of phospholipids are: Tails of phospholipids are:Heads: hydrophilic Tails: hydrophobic95
15031785328Carbs functionShort term energy Structure Raw material Cell communication96
15031785329What makes up phospholipidsglycerol, 2 fatty acids, and a phosphate group97
15031785330Phospholipidsmajor component of cell membranes98
15031785331Other functions of fatCushions vital organs Buoyancy Insulates body heat Waxes (waterproof)99
15031785332Major function of fats-Energy storage( long term) (2x energy as carbs)100
15031785333Monosaccharides (simple sugars)Serve as fuel and carbon sources Found in chains or rings Ex: glucose, fructose101
15031785334hydrogenated fats (trans fats)Synthetically converted unsaturated fats into saturated fats102
15031785335Unsaturated fatsAt LEAST one DOUBLE bond, fatty acid chains bend so they can't be packaged close together Ex: plant and fish fats103
15031785336saturated fatsall SINGLE(sat-single) bonds Ex:animal fats, butter, lard104
15031785337Disaccharides2 monosaccharides linked by glycosidic linkage Ex: lactose, sucrose105
150317853381 glycerol and 3 fatty acids==fat (triglyceride) lipid106
15031785339FATSNot a polymer, but a large molecule assembled from smaller molecules by dehydration synthesis reaction107
15031785340LipidsLarge organic molecules, NOT POLYMER Grouped bc they are very hydrophobic Ex: fats, steroids, oils, phospholipids Highly varied in function and form108
15031785341Chitin-Structural material in exoskeleton of Arthropods and in cell walls of fungi -monomer: modified beta glucose109
15031785342glycosidic linkageA covalent bond formed between two monosaccharides by a dehydration reaction.110
15031785343Glycogen-Energy storage in animals -Made of alpha glucose molecules -Highly branched -Hydrolysis of glycogen releases glucose when blood sugar gets too low -stored in liver and muscle cells111
15031785344MicrofibrilsA threadlike component of the cell wall, composed of cellulose molecules112
15031785345PolysaccharidesA polymer of MANY monosaccharides (100-1000) Bonded with many glycosidic linkages Ex: starch, cellulose113
15031785346CelluloseStructural material in plants (cell walls) Monomer (beta b glucose) Made up of microfibrils Indigestible by humans= fiber STRONG114
15031785347StarchEnergy storage in plants Monomer (alpha a glucose) Easily digested by humans115
15031785348Proteins arepolymers of amino acids Vary in shape and function POLYMERS116
15031785349Polypeptidespolymers of amino acids117
15031785350Pleated sheetThe folded arrangement of a polypeptide in a protein's secondary structure.118
15031785351Helixspiral, coil (every 4th amino acid)119
15031785352A protein consists of one or morepolypeptide folded and cooked into a specific 3D shape120
150317853532nd secondary structureThe polypeptides coiled or folded D patters resulting from hydrogen bonds at regular intervals along the backbone of the polypeptide121
15031785354If there is a slight change in primary structure serious issues occur such as....Stickle cell anemia122
150317853551st primary structureUnique sequence of amino acids ("beads on string") Determined by DNA Order of this sequence determines structure of protein123
15031785356Peptide bonds form betweenan amino group and a carboxyl group124
15031785357Amino acidsmonomers of proteins125
15031785358Types of R groups in amino acidsHydrophobic Hydrophilic Ionized126
15031785359R group (side chain)differs with each amino acid127
15031785360Carboxyl group (-COOH)Gives acidic property's128
15031785361Dipeptides2 amino acids129
15031785362Amino group gives...Alkaline (base) property130
15031785363Polypeptidelong chain of amino acids that makes proteins131
150317853643rd tertiary structureAdditional folding from interactions between R-groups/side chains If amino acids132
150317853654th quaternary structure> polypeptide chains come together Ex: hemoglobin and collagen133
15031785366Globular3D shape Water soluble Metabolic functions134
15031785367FibrousLong threadlike shape Insoluble Structural functions135
15031785368Why is carbon so special compared to other elements?It's ability to form molecules that are large, complex, and varied136
15031785369Watson and Crick (1953)discovered the structure of DNA137
15031785370polynucleotideNucleic acid polymer138
15031785371examples of nucleotidesDNA, RNA, ATP139
150317853724 levels of protein structureprimary, secondary, tertiary, quaternary140
15031785373Purines2 rings, A and G141
15031785374Pyrimidines1 ring of carbon and nitrogen atoms142
15031785375Denaturation of proteins-Loss of 3D structure and often biological function -alteration of bonds that hold 2 & 3D structure together -if PH, salt, or temps tire levels are altered protein may unravel( no longer function)143
150317853763 parts of each nucleotide1. Phosphate group 2. Pentose sugar 3. Nitrogenous base144
15031785377protein synthesisGene Expression, the forming of proteins based on DNA and carried out by RNA is called this.145
15031785378Nucleic acids (monomers)Polymers is nucleotides Store, transit, and help express hereditary info146
15120337313Bioenergeticsthe study of how energy flows through living organisms147
15120337314EnergyThe capacity to do work or cause change148
151203373151st law or thermodynamics"Conservation of energy" energy can be transferred and transformed, but it cannot be created or destroyed149
151203373162nd law or thermodynamicsEvery energy transfer increases entropy Living organisms are open organisms interacting with the environment Most energy is lost as heat A process is spontaneous if it increases entropy150
15120337317EntropyA measure of disorder or randomness.151
15120337318Energy input must exceed energy loss to maintain order and...Power cellular activity152
15120337319Loss or order (entropy) or free energy results in...Death153
15120337320MetabolismThe collection of chemical reactions in an organism154
15120337321Metabolic pathways consist of ________&________ of enzymeChains & cycles155
15120337322ExergonicSpontaneous RELEASE energy Catabolic (breaks down)156
15120337323EndergonicNon-spontaneous ABSORBS energy Anabolic (builds)157
15120337324Energy couplingExergonic reactions power endergonic reactions158
15120337325Metabolic disequilibrium (life necessity)A cell @ equilibrium is dead159
15120337326Constant flow of materials in and out of the cell prevents..Equilibrium160
15120337327ATP structureImmediate source of energy for cells161
15128485244properties of waterGood solvent, high specific heat, expansion when frozen, high surface tension162
15128485245functional groupsthe components of organic molecules that are most commonly involved in chemical reactions163
15128485246What is the role of a bufferKeeps PH steady164
15128485248ATP hydrolysisUnstable phosphate bonds can be broken to release energy165
15128485249Energy from ATP bonds drive most..Cellular work166
15128485250ATP cycleHow a cell regenerates its ATP supply. ADP forms when ATP loses a phosphate group, then ATP forms as ADP gains a phosphate group.167
15128485251PhosphorylationThe metabolic process of introducing a phosphate group into an organic molecule.168
15128485252enzymes areproteins that function as catalysts169
15128485253What is a catalyst?substance that speeds up the rate of a metabolic reaction170
15128485254enzymes lower activation energyEnergy needed to get a reaction started171
15128485255Enzymes allow reactions to occur at...Body tempature172
15128485256Enzymes often end in " ""ase"173
15128485257Enzymes are substrate specificeach particular enzyme has a specific shape that only some substrates can fit into174
15128485286study induced fit model175
15128485258Enzymes bind with substrates where?At active sites (on enzyme)176
15128485259induced fit modelChange in the shape of an enzyme's active site that enhances the fit between the active site and its substrate(s)177
15128485260As a substrate enters the active sight- it induces the enzyme to...Change shape slightly to fit more snugly178
15128485261Enzyme substrate complexenzyme binds to its substrate by weak bonds179
15128485262Enzyme concentrationThe greater concentration of the enzyme the greater the rate of reaction180
15128485263Concentration of substrateThe greater the substrate the greater rate of reaction until saturated181
15128485267enzyme inhibitorsMolecules that selectively effect the action of certain enzymes182
15128485264Temperature on enzyme reactionThe higher the temperature the greater rate of reaction—until denaturation183
15128485265denatured proteina protein whose structure has been changed by physical or chemical agents, loss of 3D shape184
15128485269Competitive inhibitorsCompete with substrate bc of similar shape Can block active site and prevent reaction185
15128485266Effect of PH on enzyme reactionExtreme PH causes denaturation Every enzyme has an ideal PH(not all same PH)186
15128485270No competitive inhibitorBind to another site on enzyme Changes the shape of enzyme Slows, speeds up, or stops the reaction187
15128485268PoisonsForm irreversible bonds with the active site188
15128485271metabolic pathways are determined byenzymes189
15128485272Metabolic pathwayBegins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product.190
15128485273allosteric enzymes (all="other")enzymes exist in active and inactive forms191
151284852742 binding sites for allosteric enzymes1. Active site- for substrate 2. Allosteric site- for allosteric effector( non competitive) (Can slow down or increase rate of reaction)192
15128485287where on the diagram is the allosteric site?193
15128485275Surface tension (of water)the intermolecular hydrogen bonds between molecules of water at the surface.194
15128485276Is ice or liquid water more dense?Liquid water is more dense195
151284852773 mains kinds of cellular work done by cells1. Chemical- synthesis of proteins 2. Transport- pumping substances across membranes 3.mechanical- such as beating of cilia196
15128485278ATP (adenosine triphosphate)Composed of a sugar ribose, nitrogenous base adenine, and a chain of three phosphate groups bonded to it.197
15128485279Activation energyEnergy needed to get a reaction started198
15128485280ModeThe value that occurs most frequently in a given data set.199
15128485281Medianthe middle score in a distribution; half the scores are above it and half are below it200
15128485282meanaverage of all data201
15128485283n symbolizes in an equationSample size202
15128485284X (with a line above)Sample mean203
15128485285£ meansSum of all204
15129137038Peptide bondThe chemical bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid205
15130284488Role of carbonCarbon bonds with different elements and compounds and makes the great chemical complexity required for life possible206
15130284489polar moleculemolecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end207
15130284490How are peptide bonds formeddehydration synthesis208
15130284491HydrolysisBreaking down complex molecules by the chemical addition of water209
15130284492dehydration synthesisA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.210
15130284754How to identify amino acids211
15133147206What is the R group in an amino acid?There are 20 different R groups that create 20 different amino acids. The R group is a functional group attached to the amino acid. The different R group makes the amino acids different.212

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!