試題詳解

3. Which of the following descriptions about Hb (hemoglobin) is incorrect?
(A) One Hb can bind 4 O₂ molecules
(B) HbA has an α₂β₂ structure
(C) HbF has an α₂y₂ structure
(D) HbF has a lower affinity for BPG than does HbA
(E) CO₂ increases the binding affinity of Hb for O₂.