chapter 9 - CYTOSOL Electron shuttles span membrane 2 NADH...

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1 …Cell Respiration Respiration relies on REDOX During cellular respiration, oxygen is RED uced and the fuel (= glucose) is OX idized becomes reduced C 6 H 12 O 6 + 6O 2 6CO 2 + 6H 2 O + ATP becomes oxidized mitochondria Nucleus Glycolysis Pyruvate Glucose Citric acid cycle Oxidative phosphorylation: electron transport and chemiosmosis Electrons carried via NADH Electrons carried via NADH and FADH 2 Mitochondrion Cytosol ATP Substrate-level phosphorylation ATP Substrate-level phosphorylation ATP Oxidative phosphorylation Glycolysis Pyruvate Glucose Mitochondrion Cytosol ATP Substrate-level phosphorylation Glycolysis Pyruvate Glucose Citric acid cycle Mitochondrion Cytosol ATP Substrate-level phosphorylation ATP Substrate-level phosphorylation
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2 Glycolysis Pyruvate Glucose Citric acid cycle Oxidative phosphorylation: electron transport and Electrons carried via NADH Electrons carried via NADH and FADH 2 Mitochondrion Cytosol ATP Substrate-level phosphorylation ATP Substrate-level phosphorylation ATP Oxidative phosphorylation chemiosmosis
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Unformatted text preview: CYTOSOL Electron shuttles span membrane 2 NADH or 2 FADH 2 MITOCHONDRION Oxidative phosphorylation: electron transport and chemiosmosis 2 FADH 2 2 NADH 6 NADH Citric acid Cycle 0xaloacetate 2 Acetyl CoA 2 NADH Glycolysis Glucose 2 Pyruvate + 2 ATP + 2 ATP + about 32 or 34 ATP by substrate-level phosphorylation by substrate-level phosphorylation by oxidation phosphorylation, depending on which shuttle transports electrons form NADH in cytosol ATP Maximum per glucose: About 36 or 38 ATP Important material for review Chapter 9 Fig 9.6, page 164, An overview of cellular respiration. Fig 9.16, page 173, ATP yield per molecule of glucose at each stage of cellular respiration. Chapter 9 Review, page 179 Self-Quiz, page 180, questions 4, 5, 8, Evolution Connection...
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chapter 9 - CYTOSOL Electron shuttles span membrane 2 NADH...

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