Each hemoglobin molecule contains
A) four alpha chains.
B) one alpha and one beta chain.
C) four iron ions.
D) one heme group.
E) two heme groups.
Correct Answer:
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A)anemia.
B)polycythemia.
C)hyperchromic.
D)macrocytic.
E)reticulocytosis.
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A)carry oxygen.
B)defend
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