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In the electron transport chain, each pair of electron donated by FADH2 releases sufficient energy to produce __________

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In the electron transport chain, each pair of electron donated by FADH2 releases sufficient energy to produce __________

(a) 3 ATPs

(b) 1 ATP

(c) 2 ATPs

(d) 4 ATPs

This question was posed to me in unit test.

Origin of the question is Mitochondrial Structure and Function topic in division Mitochondrial Structure and Function of Cell Biology

1 Answer

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Best answer
The correct choice is (c) 2 ATPs

The explanation is: Electron is donated by the reduced cofactor FADH2 to oxygen by electron transport chain. During the transfer, it releases sufficient energy to drive the formation of approximately 2 ATP molecules.

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