Respiration in PlantsMedium
Question
The mechanism of ATP formation both in chloroplast and mitochondria is explained by
Options
A.relay pump theory of Godlewski
B.Munch′s pressure / mass flow model
C.hemiosmotic theory of Mitchell
D.Cholondy- Went′s model
Solution
As per Peter Mitchell′s chemiosmotic -coupling hypothesis, outward pumping of protons across the inner chloroplast of mitochondrial membrane results in accumulation of protons between outer membrane and inner membrane. As protons now flow back passively down the gradient, the proton motive force is utilized to synthesize ATP.
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