If Niacin Is Not Available for the Coenzyme Nicotinamide Adenine

Multiple Choice

If niacin is not available for the coenzyme nicotinamide adenine dinucleotide (NAD) ,which of the following would occur to the reaction that requires NAD?  Check all that apply.

A) The enzymatic reaction cannot proceed
B) NAD would use another B vitamin
C) The enzymatic reaction will still be able to proceed at a regular rate
D) It is not possible to predict what will happen