BIOMOLECULES (NEET PYQS)
287117
Vitamin \(B_{12}\) contains
1 \(\mathrm{Ca}(\mathrm{II})\)
2 \(\mathrm{Fe}(\mathrm{II})\)
3 Co (III)
4 \(\mathrm{Zn}(\mathrm{II})\)
Explanation:
(c) Vitamin \(B_{12}\) also called Cyanocobalamin, is anti-pernicious anaemia vitamin.