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Biology Unit 5
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Topic 7: Run for your life

10. Describe the synthesis of ATP by oxidative
phosphorylation, associated with the electron
transport chain in mitochondria, including the role of
chemiosmosis and ATPase.

Aerobic respiration takes place in two stages:

First the Krebs Cycle, as seen previously

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Biology Unit 5
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Chemiosmotic Theory
In 1961, Peter Mitchell put forward a theory to explain the production of ATP. Previously, it was
thought that a high-energy phosphate group was directly transferred to ADP from another
intermediate. No intermediate was ever found and evidence built up to support Mitchell's…


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