M.Sc. Bio-Chemistry (PU-CET P.G) 2022 Panjab University Entrance Exam With Answers

Practice Mode:
30.

δ-Aminolaevulinic acid synthase activity:

A: Biosynthesis is decreased by iron in erythrocytes
B: Catalyzes the committed step in porphyrin
C: Is decreased in liver in individuals treated with certain drugs such as the barbiturate phenobarbital
D: Requires biotin as a coenzyme

The answer is: B