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Bio II

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kisferkate's version from 2017-10-26 00:18

Section 1

Question Answer
First law of thermodynamicsnrg neither created nor destroyed)
Second Lawevery time we convert energy, we lose some as heat
Photosynthesis• ability to harness light nrg from sun and produce food in the form of sugars
Photo part of Photosynthesis takes place in thethylakoids
Synthesis part takes place in thestroma
Photons hit chlorophyll causing the e- into an excited state
After the chlorophyll is excited, it gives its electrons to thePrimary electron acceptor (like vacuum)
After the electrons are taken away by the primary electron acceptor, they are replaced byelectrons from water (split into H+ ions)
Byproduct of the water molecules when splitOxygen
memorize

Section 2

Question Answer
Mitosis
InterphaseDNA is replicated
memorize

Section 3

Question Answer
Electron transport chainbits of energy that is released as the electrons are passed down from one protein coplex to the next
H+ ions are packed together in the thylakoid sacs until theypush out of sacks with kinetic energy used to make ATP
memorize

Section 4

Question Answer
Genome: Full set of DNA present in individual
Chromosomesmade up of DNA and are located in nucleus 23 pairs, 46 total
Genessections of DNA that codes information to make proteins
intronsdo not code for dna
exonscode for dna
Allelealternate version of a gene, provide for variation in a trait
TraitA single heritable feature of an organism that has variation (eye color, freckles) (aka phenotype
Genotypegenetic makeup set of instructions inherited from parents
Phenotypeset of specific physical traits that arise from the actions of a wide variety of proteins, also influenced by bx
transcriptionDNA -> mRNA (U->T)
TranslationmRNA -> tRNA -> proteins
tRNApairs amino acids with RNA triplet
memorize

Section 5

Question Answer
Mitosiscreates two identical cells
Prophasecondense
Metaphaselineup
anaphaseseparate
telophasenuclear membrane reassembles
Telomeresprotective cap at the end of DNA,
interphasepreparation for mitosis, chromosomes replicate
cytokinesiscomplete
memorize

Section 6

Question Answer
Meiosis
memorize

Section 7