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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