Mineral Nutrition Question 6

6. Which of the following elements is a constituent of biotin?

(a) Sulphur

(b) Magnesium

(c) Calcium

(d) Phosphorus

Show Answer

Answer : a

Hints & Solution

(a) Biotin, also known as vitamin $H$, is a water-soluble B-vitamin. It is a coenzyme for carboxylase enzymes, involved in the synthesis of fatty acids, isoleucine, valine and in gluconeogenesis. Sulphur is a constituent of biotin.