試題詳解

5. Which statement below about contrasting Hb and Mb is false?
(A) Hb shows sigmoidal, whereas Mb shows hyperbolic oxygen saturation curves.
(B) Hb shows cooperativity, whereas Mb does not.
(C) Mb binds O₂ more tightly than Hb.
(D) Oxygen binds to a ferrous ion in both proteins.
(E) Mb-oxygen binding is dependent on physiological changes in pH, whereas Hb-oxygen binding is not.