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Question

The mechanism of ATP formation both in chloroplast and mitochondria is explained by:

A
Relay pump theory of Godlewski
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B
Cholodny-Wents model
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C
Chemiosmotic theory
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D
Munch's hypothesis
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Solution

The correct option is C Chemiosmotic theory
Peter D. Mitchell proposed the chemiosmotic hypothesis in 1961. The theory suggests essentially that most ATP synthesis in respiring cells comes from the electrochemical gradient across the inner membranes of mitochondria by using the energy of NADH and FADH2 formed from the breaking down of energy-rich molecules such as glucose.

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