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Answer on Biochemistry Question for Sanjukta Ghosh

Question #60325
Why does Haemoglobin and not Haem transport O2?
Expert's answer
Because Haem is the pigment and globin is protein. The hemoglobin molecule consists of four protein subunits, each of which connects the heme group with a divalent iron atom located at its center. In the lungs, each iron atom attaches one molecule of oxygen.

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