NEET Botany Light Reaction MCQ Question
During the light reaction of photosynthesis, if 6 protons are translocated across the thylakoid membrane, how many ATP molecules can potentially be synthesized by ATP synthase?
2 ATP molecules
4 ATP molecules
3 ATP molecules
6 ATP molecules
Correct Answer
Detailed Explanation
The breakdown of the proton gradient provides energy for ATP synthase to synthesize ATP. Typically, the translocation of 2-3 protons is required for the synthesis of 1 ATP molecule, so 6 protons could produce approximately 3 ATP molecules.
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