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AP Biology Chapter 9 Cell Respiration, Just the Facts Flashcards

Cambell and Reece

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523116218OxidationLosing electrons0
523116219ReducationGaining Electrons1
523116220GlycolysisOccurs in cytosol2
523116221How many ATP is required for glycolysis to start?23
523116222Glycolysis yields how many ATP?4 net gain of 2 ATP4
5231162232glycolysis produeces how many nadh5
523116224etc protiensthe inner membrane contains6
523116225Matrixcontains enzymes for Krebs cycle7
523116226Intermembrane SpaceBetween the cristae and the out membrane. Place where the H+ ions accumulate during ETC8
523116227The double membrane of a mitochondria allows for what?compartmentalization9
523116228Glycolysis Pathway....Regulated by phosphofrutokinase ALLOSTERIC enzyme near beginning of pathway AMP turns pathway on (AMP is high when ATP is needed) ATP turns pathway off (don't waste energy making ATP when not needed)10
523116229Allosteric enzyme near the beginning of pathwayglycolysis pathway11
523116230Most widespread methabolic pathwayGlycolysis12
523116231The earliest fossil bacteria was...3.5 billion yrs ago13
523116232Large amounts of oxygen was not found until...2.7 Billion yrs ago14
523116233Works without Oxygen and happens in the cytoplasm without MitochondriaGlycolysis15
523116234Endosymbiotic TheoryEukaryotes appered 1 billion years after prokaryotes16
523116235Anaerobicwithout oxygen17
523116236FermentationRegenerates NAD+ carriers to allow glycolysis to continue18
523116237Alcoholic FermentationUsed by microorganisms to make beer or wine, Used by yeast to make bread19
523116238lactic Acid fermentationHuman muscle cells use when oxygen is low during excercise20
523116239Alcoholic ferm. equationPyruvate -> CO2 + alcohol+ NAD+21
523116240Lactic Acid Fermentation equationPyruvate -> lactic acid + NAD+22
523116241Facultative Anarobes...can switch between fermentation and respiration depending on quality of oxygen available.23
523116242Acetyl co-a chargingco enzyme A that revieves carbons from pyruvate and feeds them back into Kerbs cycle24
523116243Krebs CycleRelease 6 original carbons in gulcose as 6 CO2. Stores energy in NADH/FADH2. OAA recives 2 carbons from Acetyl CoA to make citric acid. Each gulcose requires two turns of cycle. I gulcose produces 6 Co2, 2 FADH2, 2 ATP, 8 NADH.25
523116244Krebs cycle occursMitochondrial Matrix26
523116245Electron Transportstage that produces the most ATP. attached to the cristae27
523116246nadh and fadh2etc uses energy to create protein gradients and atp28
523116247the ETC includes:3 transmembrane Proton Pumps Carrier molecules between pumps29
523116248ETCEach NADH makes 3 ATP (drops its electrons at top of ETC; hits all 3 proton pumps) Each FADH2 makes 2 ATP (drops its electrons at Q; skips 1st proton pump; so makes less ATP) Electrons passing down ETC provide energy for pumping H+ ions into INTERMEMBRANE SPACE Final electron acceptor at end of ETC = O2 (O2 + 2e- +2H+ → H2O)30
523116249How many ATP does one gulcose yield in ETC?36 net31
523116250. potential energy of hydrogen ion gradientproton motive force32
523116251chemiosmosisgeneration of ATP from a proton gradient. occurs in all living things33
523116252OXIDATIVE PHOSPHORYLATIONusing proton gradient created by electron transport chain in cristae membrane to make ATP ETC + CHEMIOSMOSIS = OXIDATIVE PHOSPHORYLATION34
523116253SUBSTRATE LEVEL PHOSPHORYLATIONAddition of phosphate group directly WITHOUT proton gradient and ATP synthase35
523116254Beta Oxidationbreakdown of fatty acids into 2 carbon fragments can enter Krebs cycle as acetyl CoA36

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