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Each home ring in hemoglobin encloses an atom of A) magnesium. B) calcium. C) iron. D) sodium. E) copper.
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Each home ring in hemoglobin encloses an atom of

A) magnesium.
B) calcium.
C) iron.
D) sodium.
E) copper.

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1 Answer

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Iron. Your blood has a large content of iron. That is because the hemoglobin vines with it.
User Benoit Martin
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