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Question

Chemiosmotic mechanism of ATP synthesis was proposed by

A
Warburg
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B
Dickens
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C
Krebs
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D
P. Mitchell
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Solution

The correct option is D P. Mitchell
Chemiosmosis is the movement of ions across a selectively permeable membrane, down their electrochemical gradient. More specifically, it relates to the generation of ATP by the movement of hydrogen ions across a membrane during cellular respiration or photosynthesis. Peter D. Mitchell proposed the chemisomotic 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 NADH2 and FADH2 formed from the breaking down of energy-rich molecules such as glucose.

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