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Respiration in Plants
Question
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Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on 

  • proton gradient

  • accumulation of K ions

  • accumulation of Na ions

  • membrane potential

Answer

A.

proton gradient

Chemiosmotic hypothesis for oxidative phosphorylation (ATP synthesis) was proposed by Peter Mitchell in 1961. He was awarded Noble Prize in 1978. This theory is based on proton gradient.

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