How many oxygen molecules can one hemoglobin | vedclass

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(B) Each hemoglobin molecule is a protein complex consisting of $4$ polypeptide subunits (two alpha and two beta chains). Each subunit contains a heme

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$4$

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(B) Each hemoglobin molecule is a protein complex consisting of $4$ polypeptide subunits (two alpha and two beta chains). Each subunit contains a heme group with a central iron atom $(Fe^{2+})$. Since each heme group can bind to one molecule of oxygen $(O_2)$,a single hemoglobin molecule can bind to a maximum of $4$ oxygen molecules to form oxyhemoglobin.

How many oxygen molecules can one hemoglobin molecule carry?

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