Plotting the percentage saturation of hemoglo | vedclass

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(B) The relationship between the partial pressure of oxygen $(PO_2)$ and the percentage saturation of hemoglobin with oxygen is represented by the oxy

Vedclass · Accepted Answer

$S$-shaped curve

Vedclass · Answer

(B) The relationship between the partial pressure of oxygen $(PO_2)$ and the percentage saturation of hemoglobin with oxygen is represented by the oxygen-hemoglobin dissociation curve.This curve is sigmoid or $S$-shaped in nature.This $S$-shaped curve indicates that as the partial pressure of oxygen increases,the binding of oxygen to hemoglobin increases rapidly until it reaches a plateau,reflecting the cooperative binding of oxygen to the four heme groups of the hemoglobin molecule.

Plotting the percentage saturation of hemoglobin with $O_2$ against $PO_2$ results in a:

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