An Oxygen Binding Curve of Fractional Saturation Versus PO₂ Displays

question 61

Multiple Choice

An oxygen binding curve of fractional saturation versus pO₂ displays a sigmoidal shape.This is the oxygen binding curve for

• A) myoglobin.
• B) hemoglobin that has been dissociated into individual subunits.
• C) hemoglobin in the presence of 2,3-BPG.
• D) myoglobin in the presence of 2,3-BPG.

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