Reversible Binding of a Protein to a Ligand: Oxygen-Binding Proteins

Question 11
Multiple Choice

Reversible binding of a protein to a ligand: oxygen-binding proteins 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.