Question:
The chemiosmotic hypothesis explains ATP synthesis by:
The chemiosmotic hypothesis explains ATP synthesis by:
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The chemiosmotic hypothesis is central to understanding how proton gradients drive ATP production in mitochondria and chloroplasts.
Updated On: Jun 18, 2025
- Substrate-level phosphorylation
- Proton gradient-driven ATP synthase
- Direct transfer of electrons to ADP
- Hydrolysis of GTP
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The Correct Option is B
Solution and Explanation
The chemiosmotic hypothesis explains ATP synthesis as being driven by a proton gradient across a membrane, which powers ATP synthase. This hypothesis was proposed by Peter Mitchell and is fundamental to understanding oxidative phosphorylation and photophosphorylation. The other options refer to different mechanisms unrelated to chemiosmosis.
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