Chapter 7-BB -intro

To acetyl oxaloacetate to form citrate or citric acid

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Unformatted text preview: oxaloacetate to form citrate or citric acid oxaloacetate Series of steps releases 2CO2, 1ATP, 3NADH, and 1 FADH2 Oxaloacetate is regenerated to start the cycle again Stage 4: Oxidative phosphorylation Stage High energy electrons removed from NADH and FADH 2 to make ATP Typically requires oxygen Oxidative process involves electron transport chain Phosphorylation occurs by ATP synthase Electron transport chain Group of protein complexes and small Group organic molecules embedded in the inner mitochondrial membrane mitochondrial Can accept and donate electrons in a Can linear manner in a series of redox reactions reactions Movement of electrons generates H+ electrochemical gradient/ proton-motive force force – Excess of positive charge outside of Excess matrix matrix Free energy change Free Movement from NADH to Movement O2 is a very negative free energy change energy – Spontaneous in Spontaneous forward direction forward Highly exergonic Some energy used to Some pump H+ across inner pump mitochondrial membrane and create H+ and electrochemical gradient electrochemical...
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This document was uploaded on 03/05/2014 for the course CELL 2050 at Tulane.

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