Which of the following is true about the T -->R transition? Question 4 options: requires the binding of three oxygen molecules it allows for BPG binding to occur involves the movement of the iron into the heme plane (it becomes planar). occurs in each subunit independently when it binds oxygen
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In the oxyhemoglobin R state, the iron moves into the plane of the heme, making the porphyrin ring planar. This movement is a characteristic feature of the transition. Show more…
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