Essential Biochemistry - Chemistry Of Hemoglobin (Section 1 - No. 16)
What is the effect of carbon monoxide on hemoglobin?
It decreases the affinity of hemoglobin for oxygen.
It increases the affinity of hemoglobin for oxygen.
It has no effect on the binding of oxygen.
It binds to the iron atom, preventing oxygen binding.
Explanation
Carbon monoxide binds to the iron atom in hemoglobin with a much higher affinity than oxygen, preventing oxygen binding.
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