Illustrate the molecular composition of hemoglobin, Biology

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Q What is the molecular composition of hemoglobin? Does the functionality of hemoglobin as a protein depend upon its tertiary or upon its quaternary structure?

Hemoglobin is a molecule made of four polypeptide chains, each bound to an iron-containing molecular group called a heme group so that the molecule contains four polypeptide chains and four heme groups.

The functionality of hemoglobin depends upon the integrity of its quaternary structure, As a protein composed of association of polypeptide chains.


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