3. Which of the following descriptions about Hb (hemoglobin) is incorrect?
(A) One Hb can bind 4 O2 molecules
(B) HbA has an a2β2 structure
(C) HbF has an α2γ2 structure
(D) HbF has a higher affinity for BPG than does
HbA
(E) CO2 reduces the binding affinity of Hb for O2.
【hsiao1997】評論
Which of the following descriptions about Hb (hemoglobin) is incorrect?