Q
Hemoglobin has______________?
-
A
A. Four polypeptide chains, 2Ξ±, 1Ξ²,1Ο
chain
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B
B. Four heme molecules and four polypeptide chains
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C
C. Four heme molecules, 2Ξ± and 2Ξ² chains
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D
D. One heme and one globin molecule
Correct Answer:
D. D. One heme and one globin molecule