Each of the Following Accurately Describes Physiological Roles of Thiamin

Multiple Choice

Each of the following accurately describes physiological roles of thiamin except one. Which one is the exception?

A) Thiamin functions as a coenzyme in the Krebs cycle.
B) The main effects of thiamin deficiency are disturbances of protein and lipid metabolism.
C) Thiamin is an essential component in synthesis of niacin.
D) Also known as vitamin B₁, thiamin helps regulate appetite.