Lectures25-26 - Oxidative Phosphorylation Oxidative...

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Oxidative Phosphorylation Oxidative phosphorylation is the process in which ATP is formed as a result of transfer of electrons from NADH or FADH 2 to O 2 by a series of electron carriers. We need about 83 kg of ATP everyday to satisfy energy needs – solution is to recycle ADP back to ATP Oxidative phosphorylation generates 26 to 30 molecules of ATP from oxidation of glucose to CO 2 and H 2 O via the citric acid cycle This is the reason why aerobic organisms breathe oxygen – cellular respiration
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Oxidative Phosphorylation Oxidative phosphorylation: site of action is inner mitochondrial membrane
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Oxidative Phosphorylation: Site is the inner mitochondrial membrane Electron Transport: Harvest reducing power from NADH and FADH 2 Proton (pH) gradient: “proton motive force” ATP synthesis Redox power electrochemical gradient chemical energy
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Oxidative phosphorylation depends on electron transfer The standard reduction potential E o’ measures the tendency of a molecule to accept (+E ’o ) or donate (-E
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This note was uploaded on 05/05/2011 for the course BIOL 400 taught by Professor Dr.biology during the Spring '11 term at University of Tennessee.

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Lectures25-26 - Oxidative Phosphorylation Oxidative...

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