How many molecules of ATP are produced per molecule of $F A D H_{2}$ oxidised?

One

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Two

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Three

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Four

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Solution

The correct option is B Two
Oxidative phosphorylation in mitochondria produces ATP. The number of ATP molecules synthesized depends on the nature of the electron donor.
Oxidation of one molecule of $N A D H_{2}$ gives rise to 3 molecules of ATP, while that of one molecule of $F A D H_{2}$ produces 2 molecules of ATP.
Hence, the correct option is B.

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