Which vitamin acts as a co-factor for the enzyme delta-aminolevulinic acid synthase, playing a crucial role in the biosynthesis of heme, and its deficiency can lead to conditions such as megaloblastic anemia?

A Vitamin B6
B Vitamin B9
C Vitamin B12 ✓
D Vitamin C

Explanation

Vitamin B12 acts as a co-factor for the enzyme delta-aminolevulinic acid synthase, playing a crucial role in the biosynthesis of heme, and its deficiency can lead to conditions such as megaloblastic anemia.

Source

Guyton and Hall Textbook of Medical Physiology
Vitamins Biochemistry Vitamin B12 Medium MEDICAL Confidence: medium