Question

Which of the following biomolecules contain non-transition metal ion?

• A. Vitamin $B_{12}$
• B. Chlorophyll
• C. Haemoglobin
• D. Insulin

Answer 1

Answer: (B)

Biomolecule
Metal ton
Vitamin $B_{12}$
Co (transition metal)
Chlorophyll
Mg (non-transition metal)
Haemoglobin
Fe (transition metal)
Insulin
S (non-metal)