Number of prosthetic groups in a hemoglobin molecule -

Ans. is 'd' i.e., 4 o Hemoglobin is a conjugated protein which has a tetrameric structure,o It is an assembly of four globular proteins.o Each subunit is composed of a protein part, i.e. globin and a nonprotein prosthetic group, i.e. heme,o Each hemoglobin molecule is made up of 4 heme molecules and 4 polypeptide chains (2 pairs of similar polypeptide chains).Hemoglobin=Globin (containing 4 polypeptide chains)+ 4 heme molecules