Digestion-And-Absorption Question 815

Question: Cobalt as a rare element is essential in the synthesis of this vitamin: (Pb. PMT 2003; AMU 2003; Kerala PMT 2003)

Options:

A) vitamin C

B) vitamin D

C) vitamin $ B_1 $

D) vitamin $ B_{12} $

Show Answer

Answer:

Correct Answer: D

Solution: