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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
False statement about hemoglobin structure?
assistant
The correct answer is  Each hemoglobin molecule is made up of:- (i) Non-protein part, i.e. heme; and (ii) Globin, which has 4 polypeptide chains (2 pairs of similar polypeptide chains).
Iron of hemoglobin is in the ferrous state which lies in the center of the porphyrin ring.
Myoglobin and the β-subunits of hemoglobin share almost identical structures.