Question:
Chemiosmotic theory attempts to explain the mechanism of ________.
Chemiosmotic theory attempts to explain the mechanism of ________.
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Think about how ATP synthase uses a proton gradient.
Updated On: Jul 4, 2026
- Oxidative phosphorylation
- C3 cycle
- Pentose Phosphate pathway
- Uptake of minerals
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The Correct Option is A
Solution and Explanation
Step 1: Peter Mitchell proposed the chemiosmotic theory to explain how ATP is generated using a proton gradient across a membrane.
Step 2: In mitochondria, electron transport pumps protons across the inner membrane, and their flow back through ATP synthase drives ATP formation, this is oxidative phosphorylation.
Step 3: The C3 cycle, pentose phosphate pathway and mineral uptake do not rely on this proton motive force mechanism for ATP synthesis in the way oxidative phosphorylation does, so oxidative phosphorylation is the correct match among the options given.
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