Which of the following statements about NAD + is NOT correct? It has a derivativ
ID: 216042 • Letter: W
Question
Which of the following statements about NAD+ is NOT correct?
It has a derivative of the vitamin niacin as part of its structure.
It has a net +ve charge at pH=7.
It has ADP as part of its structure.
It has the same structural features as NADP+ with the exception of a single phosphate group.
A.It has a derivative of the vitamin niacin as part of its structure.
B.It has a net +ve charge at pH=7.
C.It has ADP as part of its structure.
D.It has the same structural features as NADP+ with the exception of a single phosphate group.
Explanation / Answer
Answer is B
Although NAD+ is written with plus sign beacause of the charge on a nitrogen atom, at physiological pH7 it is actually a singly charged anion.
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