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For each ATP produced, how many protons pass through the intermembrane space?

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in Biology – Class 11 by (272k points)
For each ATP produced, how many protons pass through the intermembrane space?

(a) One

(b) Two

(c) Three

(d) Four

This question was addressed to me during an online exam.

My enquiry is from Plants Respiration topic in chapter Respiration in Plants of Biology – Class 11

1 Answer

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Best answer
Correct choice is (b) Two

The explanation: The passage of protons through the channel is coupled to the catalytic site of the F1 component for the production of ATP. For each ATP produced, two protons pass through the F0 from the intermembrane space to the matrix down the electrochemical proton gradient.

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