Biotechnology Engineering (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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47.

The conversion of NAD+ to NADH is an example of reduction because

A: the pyridine ring loses electrons (and a hydrogen)
B: the pyridine ring gains electrons (and a hydrogen)
C: the adenine ring lose electrons
D: the adenine ring lose electrons.

The answer is: B

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