What is the shape of the oxygen dissociation | vedclass

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(A) The oxygen dissociation curve of hemoglobin is $S$-shaped,which is technically referred to as a $Sigmoid$ curve. This shape occurs because the bin

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Sigmoid

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(A) The oxygen dissociation curve of hemoglobin is $S$-shaped,which is technically referred to as a $Sigmoid$ curve. This shape occurs because the binding of one molecule of $O_2$ to hemoglobin increases the affinity of the remaining heme groups for $O_2$,a phenomenon known as cooperative binding. As the partial pressure of oxygen $(pO_2)$ increases,the percentage saturation of hemoglobin with oxygen increases,resulting in this characteristic $Sigmoid$ pattern.

What is the shape of the oxygen dissociation curve of hemoglobin?

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