Hemoglobin

question 88

Multiple Choice

Hemoglobin

• A)consists of a protein made up of four highly folded polypeptide chains and four iron-containing nonprotein, nitrogenous groups
• B)appears reddish when combined with O₂ and bluish when deoxygenated
• C)can combine only with O₂
• D)has characteristics a and b
• E)has characteristics a and c

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