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5 Cards in this Set
- Front
- Back
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How many subunits in hemoglobin molecule?
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4
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What is each subunit composed of?
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A protein molecule
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What is contained in each protein molecule?
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Heme molecule
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What is heme molecule composed of?
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Porphyrin ring and an Fe atom
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What is the purpose of the Fe atom within the porphyrin ring?
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Binding site for oxygen
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