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Which biological molecule is associated with iron (Fe) ions? A. Histone B. Catalase C. Chlorophyll D. Hemoglobin E. RNA polymerase
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Which biological molecule is associated with iron (Fe) ions?

A. Histone
B. Catalase
C. Chlorophyll
D. Hemoglobin
E. RNA polymerase

User Drkvogel
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1 Answer

4 votes
D) hemoglobin. It uses the iron ion to attract oxygen.
User DooDoo
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