Q1: Which of the following is required as a component of blood hemoglobin?

A Iron

B Calcium

C Copper

D Magnesium

ANS:A - Iron

Hb is made up of 2 basic components Globin as protein and Heme as Prosthetic group. This Prosthetic group has 2 components: Porphyrin and Iron. Iron could be +nt in ferrous (Fe2+) or ferric(Fe3+) form.

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