Cell Cycle and Cell DivisionHard

Question

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

Options

A.Relay pump theory of Godlewski
B.Cholodny -Went′s model
C.Chemiosmotic theory
D.Munch′s mass flow hypothesis

Solution

As per Peter Mitchell′s chemiosmotic- coupling hypothesis, outward pumping of protons across the inner chloroplast or mittochondrial membrane results in accumulation of protons between outer membrane and inner membrane. A proton gradient is thus established. As protons now flow back, passively down the gradient, the protom motive force is utilized to synthesize ATP.

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