Lecture 17 Electron Transport and Oxidative Phosphorylation

Lecture 17 Electron Transport and Oxidative Phosphorylation...

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Lecture 17 Electron transport Oxidation/reduction Measurement of Redox potentials Electron carriers Proton pumps Proton motive force Oxidative phosphorylation – F 1 F 0 ATPase structure Evidence for ATP synthesis based on PMF
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Main Points of the Day Reduced nucleotides produced during the Krebs cycle are oxidized by electron transport Oxygen is the ultimate electron acceptor, producing water The energy released by oxidation of the nucleotides is captured as a proton gradient which is then used to fuel ATP synthesis (oxidative phosphorylation)
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Electron Transport and Oxidative Phosphorylation Electron transport oxidizes nucleotides reduced during the TCA cycle (NADH and FADH 2 ) • The final electron acceptor is O 2 . This is the only step of glucose oxidation that uses O 2 . The reduction takes place through a series of reactions among complexes embedded in the inner mitochondrial membrane. Movement of electrons and protons also results
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Lecture 17 Electron Transport and Oxidative Phosphorylation...

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