Which Statement Below About Contrasting Hb and Mb Is FALSE

question 5

Multiple Choice

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) Hb binds O₂ more tightly than Mb.
• D) Oxygen binds to a ferrous ion in both proteins.
• E) Hb-oxygen binding is dependent on physiological changes in pH, whereas Mb-oxygen binding is not.

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