AIPMT MAIN2008Botany-Respiration in Plants

AIPMT MAIN 2008 Botany Oxidative Phosphorylation MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because

A

There is a change in the permeability of the inner mitochondrial membrane toward adenosine diphosphate (ADP)

B

High energy bonds are formed in mitochondrial proteins

C

ADP is pumped out of the matrix into the intermembrane space

D

A proton gradient forms across the inner membrane

Correct Answer

Option D

Detailed Explanation

Proton motive force develops between the perimitochondrial space and matrix across the inner mitochondrial membrane, facilitating ATP synthesis.

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