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What is One molecule of Hb can bind to a maximum number of and explain in detail?
Hemoglobins bind four molecules of O2 per tetramer, one per heme. A molecule of O2 binds to a hemoglobin tetramer more readily if other O2 molecules are already bound.Reference: Harper&;s Biochemistry; 30th edition; Chapter 6; Proteins: Myoglobin & Hemoglobin