The vitamin niacin is directly necessary for:
A)cell respiration
B)digestion of protein
C)absorption of iron in the small intestine
D)transport of carbon dioxide in the blood

Question

Quizplus · Accepted Answer

Niacin, also known as vitamin B3, is a crucial component in the process of cell respiration. It is a part of the coenzymes NAD+ and NADP+, which are essential for the metabolic pathways that convert food into energy within cells.

The Vitamin Niacin Is Directly Necessary For