試題詳解

5. Which of the following is incorrect to describe myoglobin (Mb) and hemoglobin (Hb)?
(A) The R-form and T-form of the Hb differ at their salt bridges, H-bonds and covalent linkages between subunits
(B) Oxygen binding curve of Hb becomes closer to that of Mb in the absence of CO₂ and BPG.
(C) Oxygen binds to a ferrous ion of the heme in both proteins.
(D) At low pH values, the population of R-form is less than the T-from of Hb.
(E) Hb can carry CO₂ but at different site from the one that binds CO and O₂.