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Mid-Term Review

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260776696steps in the scientific methodobservations, hypothesis, experiment, analysis, conclusionc
260776697hypothesisidea you can test
260776698analysislooking for patterns in data
260776699controlled experimenttests ONE variable
260776700biologystudy of the living world
260776701homeostasiskeeping internal conditions stable
260776702metabolismusing energy to make life happen
260776703basic unit of mass in SI (scientific notation)gram
260776704basic unit of length in SImeter
260776705water moleculeone oxygen and two hydrogens
260776706nucleus of an atomprotons and neutrons
260776707outside of an atomelectrons
260776708allows water molecules to stick togethercohesion
260776709allows water molecules to stick to other moleculesadhesion
260776710most abundant compound in living thingswater
260776711which end of water is positive?hydrogen
260776712which end of water is negative?oxygen
260776713an evenly distributed mixture of substancessolution
260776714solute in sugar watersugar
260776715solvent in sodawater
260776716most acidic pH - 2 or 4?2
260776717pH of 4acid
260776718pH of 10base
260776719pH of 7neutral
260776720amino acids: legos or lego castle?legos
260776721protein: legos or lego castle?lego castle
260776722what are proteins made of?amino acids
260776723carbohydrate's building blockmonosaccharide
260776724main source of energy for living thingscarbohydrates
260776725they store and transmit hereditynucleic acids
260776726speeds up a chemical reactioncatalyst
260776727these things make chemical rxns happen in living things by speeding up the rxnsenzymes
260776728cell theoryall living things are made of cells, cells are basic units of structure and function in living things, new cells are made from existing cells
260776729organism that makes its own foodautotroph
260776730organism that uses other living things for foodheterotroph
260776731which is NOT found in prokaryotes? cytoplasm, nucleus, or cell membrane?nucleus
260776732contains genetic material, controls cell processesnucleus
260776733makes proteinsribosome
260776734give energy to cellsmitochondria and chloroplasts
260776735cytoskeletongives cell shape, allows it to move
260776736cell wallexternal support for cell
260776737cell membranecontrols what enters and leaves cell
260776738diffusionmovement of molecules from high concentration to low
260776739transport that requires energy from cellactive transport
260776740transport that doesn't use energypassive transport
260776741osmosisdiffusion of water across a membrane
260776742osmotic pressurecauses cells to burst as water floods cells
260776743simplest to most complex organization in living thingscell, tissue, organ, organ system, organism
260776744when cell grows, which grows faster? volume or surface area?volume
260776745why mitosis is required after cells get to a certain sizeDNA can't keep up with demand, needs too much food and oxygen, can't get materials in and out fast enough
260776746mitosisa cell divides into two identical daughter cells
260776747chromosomes are visible nowprophase in cell division
260776748G1 phasecell growth
260776749S phaseDNA synthesis (replication)
260776750G2 phasepreparation for mitosis
260776751M phasemitosis
260776752interphasecell grows, copies DNA, prepares for mitosis
260905402D phasemitosis (cell division)
260905403B phaseDNA synthesis
260905404C phasepreparation for mitosis
260905405cell cycleseries of events cells go through as they grow and divide
260905406Acentromere
260905407Bsister chromatids
260905408process that replaces cells damaged by bruising, helps babies grow to adults, replaces cells damaged in stomach by acidmitosis
260905409difference between mitosis in plants and animalsmetaphase plate in plants
260905410a cell with 8 chromosomes has how many after mitosis?8
260905411a cell with 14 chromosomes has how many after meiosis7
260905412cancerdisorder in which cells lose control of their growth rate
260905413tumormass of cancer cells
260905414if a TT plant crosses with a tt plant, the F1 plants geta T allele AND a t allele
260905415principle of dominancesome alleles are dominant over others
260905416homozygoustwo identical alleles
260905417heterozygoustwo different alleles
260905418all of the offspringhow many of the offspring will be tall?
260905419use FOIL to find all the gametes from TtGGTG and tG
260905420use FOIL to find all the gametes from TtGgTG, Tg, tG, tg
260905421incomplete dominanceneither allele completely dominant
260905422codominanceboth alleles completely dominant in different areas
260905423if a diploid number is 46, haploid is:23
260905424if diploid number is 50, haploid is:25
260905425if haploid number is 2, diploid is:4
260905426process that makes gametesmeiosis
260905427crossing-over
260905428tetrads are formed duringprophase 1
260905429why parent chromosome # is cut in halfDNA replication doesn't happen between meiosis 1 and 2
260905430sugar in DNAdeoxyribose
260905431base found only in RNAuracil (U)
260905432sugar found in RNAribose
260905433base found only in DNAthymine (T)
260905434replicationcopying DNA
260905435replicate ATT AGG CACTAA TCC GTG
260905436transcribe ATT AGG CACUAA UCC GUG
260905437the role of mRNA in protein synthesisbringing gene's info to ribosome
260905438the role of tRNA in protein synthesisbringing amino acids to build the protein
260905439the role of rRNA in protein synthesispart of the ribosome
260905440product of transcriptionmRNA
260905441product of translationprotein
2609054421 codon specifies __ amino acid(s)1
260905443___ letters in a codon3
260905444genes are instructions for making......proteins
260905445this is likely to bring together recessive allelesinbreeding
260905446this is likely to make stronger offspring with FEW recessive traitshybridization
260905447crossing a cocker spaniel with a poodle to make a cockapoo makes ahybrid
260905448genetic engineeringmaking artificial changes in the DNA of an organism
260905449number of chromosomes in a normal human karyotype46
260905450human egg: X or Y or XX or XYX
260905451chance that a sperm and egg will bring together X and Y to make a boyabout 50%
260905452is ABO blood type determined by multiple alleles?yes
260905453type A x type B possible blood typesA, B, AB, o
260905454type A and type o possible blood typesA and o
260905455why colorblindness is more common in malescolorblindness is sex-linked - found on the X chromosome
260905456nondisjunctionfailure of chromosomes to separate in meiosis
260905457Interesting patterns of traits on Galapagosspecies with traits similar to South American relatives, but adapted to each island's unique environment
260905458galapagos finches differ primarily in theirbeak shapes
260905459On the Origin of SpeciesCharles Darwin's book which first set out the ideas of the theory of evolution
260905460why do organisms selected by Natural Selection seem to have their traits?the inherited traits maximize fitness
260905461vestigial structuresinherited from ancestors but have lost much or all of their original function ex: whale pelvis and femur
260905462Kingdom Animaliamulticellular eukaryote heterotrophs
260905463Kingdom Plantaemulticellular eukaryote autotrophs
260905464Kingdom Fungiunicellular AND multicellular eukaryote heterotrophs
260905465Kingdom Protistamostly unicellular eukaryote heterotrophs or autotrophs
260905466Kingdom Bacteriaunicellular prokaryotes
260905467the eukaryote kingdomsanimals, plants, fungi, protists
260905468the prokaryote kingdomsbacteria and archaea
260905469dichotomous keyused to identify organisms, consists of the answers to a series of questions
260905470responding variable aka the dependent variablethe variable that changes in response to the dependent variable
260905471manipulated variable aka the independent variablethe variable changed by the experimenter
260905472the cause of raindropscohesion
260905473the cause of water climbing up the walls of a glassadhesion
260905474the things that make the rough ER bumpyribosomes
260905475universal donortype o
260905476universal acceptortype AB
260905477Down's syndrome - extra chromosome or recessive alleleextra chromosome

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