Carbon monoxide (CO)is toxic to humans because: A)it binds to myoglobin and causes it to denature. B)it is rapidly converted to toxic CO₂. C)it binds to the globin portion of hemoglobin and prevents the binding of O₂. D)it binds to the Fe in hemoglobin and prevents the binding of O₂. E)it binds to the heme portion of hemoglobin and causes heme to unbind from hemoglobin.

Question

Quizplus · Accepted Answer

Carbon monoxide binds to the iron (Fe) in the heme group of hemoglobin, preventing oxygen (O2) from binding and thus reducing oxygen transport in the blood.

Carbon Monoxide (CO)is Toxic to Humans Because