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AP Biology/Unit 3: Cellular Energetics
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Proton Gradient and ATP Synthesis
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The observation that an electron transport chain generates a proton gradient best supports which of the following conclusions?

A

Electron transport chains do not contribute to ATP synthesis.

B

Proton gradients decrease the efficiency of ATP production.

C

The proton gradient drives the production of ATP.

D

The electron transport chain consumes ATP.

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