Hemoglobin has______________?

A.\tFour polypeptide chains, 2α, 1β,1Υ chain

B.\tFour heme molecules and four polypeptide chains

C.\tFour heme molecules, 2α and 2β chains

D.\tOne heme and one globin moleculeCorrect Answer

Correct Option: D.\tOne heme and one globin molecule

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