Lecture 15 (conclusion) 220 BlkBd

Lecture 15 (conclusion) 220 BlkBd - Mitochondria Electron...

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Mitochondria
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ubiquinone cyto- chrome c Electron transfer and oxidative phosphorylation
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Krebs (citric acid) cycle
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Electron transfer and oxidative phosphorylation
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Electron transfer and oxidative phosphorylation
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H + H + Electron transfer and oxidative phosphorylation
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Electron transfer and oxidative phosphorylation
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Electron transport chain.mov
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Electron transfer and oxidative phosphorylation Chemiosmosis is the mechanism that uses the potential energy of a H + gradient to drive cellular work, in this case ATP synthase
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ATP synthase.mov
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Electron transfer and oxidative phosphorylation
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Electron transfer and oxidative phosphorylation
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The final electron acceptor at the end of the respiratory chain reaction is oxygen. When there is an insufficient oxygen, a cell cannot reoxidize cytochrome c and ubiquinone-H 2 . In this way, NAD and FAD are not generated from their reduced form. This back up continues until pyruvate oxidation stops because of a lack of NAD. Then reactions in the citric acid cycle stop.
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This note was uploaded on 02/28/2012 for the course BIO 220 taught by Professor Morre during the Spring '09 term at USC.

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Lecture 15 (conclusion) 220 BlkBd - Mitochondria Electron...

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