Hemoglobin consists of two alpha and two beta | vedclass

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Question

(D) Hemoglobin is a quaternary protein consisting of four polypeptide chains: two alpha $(α)$ chains and two beta $(β)$ chains.Each polypeptide chain

Vedclass · Accepted Answer

$4$

Vedclass · Answer

(D) Hemoglobin is a quaternary protein consisting of four polypeptide chains: two alpha $(α)$ chains and two beta $(β)$ chains.Each polypeptide chain is associated with one heme group,which contains an iron $(Fe^{2+})$ ion at its center.Since there are four polypeptide chains in total,there are four heme groups present in one molecule of hemoglobin.Therefore,the correct answer is $4$.

Hemoglobin consists of two alpha and two beta chains. How many heme groups are present in the structure of hemoglobin?

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