The oxygen dissociation curve of hemoglobin i | vedclass

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(A) The oxygen dissociation curve is a plot showing the relationship between the partial pressure of oxygen $(pO_2)$ and the percentage saturation of

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Sigmoid

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(A) The oxygen dissociation curve is a plot showing the relationship between the partial pressure of oxygen $(pO_2)$ and the percentage saturation of hemoglobin with oxygen.This curve is $Sigmoid$ ($S$-shaped) in nature.This shape is due to the cooperative binding of oxygen to the four heme groups of the hemoglobin molecule,where the binding of one oxygen molecule increases the affinity of the remaining heme groups for oxygen.

The oxygen dissociation curve of hemoglobin is . . . . . . .

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