Lecture 9_Energetics_iClicker

H glucose atp 1 hexokinase adp glucose glucose 6

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Unformatted text preview: most of the ATP synthesis) Electrons carried via NADH Glycolysis Pyruvate Glucose Cytosol ATP Substrate- level phosphoryla.on Electrons carried via NADH and FADH2 Electrons carried via NADH Citric acid cycle Glycolysis Pyruvate Glucose Mitochondrion Cytosol ATP ATP Substrate- level phosphoryla.on Substrate- level phosphoryla.on Electrons carried via NADH and FADH2 Electrons carried via NADH Citric acid cycle Glycolysis Pyruvate Glucose Oxida.ve phosphoryla.on: electron transport and chemiosmosis Mitochondrion Cytosol ATP ATP ATP Substrate- level phosphoryla.on Substrate- level phosphoryla.on Oxida.ve phosphoryla.on •  The process that generates most of the ATP is called oxida.ve phosphoryla.on because it is powered by redox reac<ons •  Oxida<ve phosphoryla<on accounts for almost 90% of the ATP generated by cellular respira<on •  A smaller amount of ATP is formed in glycolysis and the citric acid cycle by substrate- level phosphoryla.on Enzyme Enzyme ADP P Substrate + Product ATP Glycolysis harvests chemical energy by oxidizing glucose to pyruvate •  Glycolysis (“spli^ng of sugar”) breaks down glucose into two molecules of pyr...
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