Oxidation of one molecule of NADH gives rise to ATP molecules while that of one FADH2 molecule generates molecules of ATP.
A
two
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B
three
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C
four
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D
five
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Solution
The correct options are A two B three Each NADH gives 3 molecules of ATP and each FADH2 gives 2 molecules of ATP on oxidation. The energy released in the cellular respiration process is expressed in terms of number of ATP molecules released and hence these conversion factors are significant.