Chemical structure of hemoglobin is
Correct Answer: Has 4 polypeptide chains with 4 heme
Description: Hemoglobin is a protein with a molecular weight of 64,450.Hemoglobin is a globular molecule made up of four subunits . Each subunit contains a heme moiety conjugated to a polypeptide. Ref: Ganong's Review of Medical Physiology Twenty-Third Edition Page No: 523
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