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How many reactions that occur in the TCA cycle transfer electrons from a substrate to an electron accepting enzyme?(a) 1(b) 2(c) 3(d) 4I had been asked this question during an interview for a job.I want to ask this question from Aerobic Respiration topic in portion Nucleus & Aerobic Respiration of Cell Biology

Answer»

Right choice is (d) 4

Explanation: There are FOUR such a reaction in which electron is TRANSFERRED from substrate to electron accepting enzyme. In three of these, NAD+ is reduced to NADH and in one FAD REDUCES to FADH2.



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