Which of the following vitamins does not play a direct role in energy metabolism?
A)Niacin
B)Pantothenic acid
C)Vitamin B-12
D)Thiamin

Question

Quizplus · Accepted Answer

Niacin, pantothenic acid, and thiamin are all B-vitamins that play direct roles in energy metabolism. Vitamin B-12, on the other hand, is involved in the synthesis of DNA and red blood cells, but does not directly participate in energy metabolism.

Which of the Following Vitamins Does Not Play a Direct