What happens to the oxygen-hemoglobin (O_2-Hb | vedclass

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Question

(A) The oxygen-hemoglobin dissociation curve is a sigmoid curve. Factors that shift the curve to the right include increased $PCO_2$,increased $H^+$ c

Vedclass · Accepted Answer

Shifts to the left

Vedclass · Answer

(A) The oxygen-hemoglobin dissociation curve is a sigmoid curve. Factors that shift the curve to the right include increased $PCO_2$,increased $H^+$ concentration (decreased $pH$),and increased temperature. Conversely,factors that shift the curve to the left include decreased $PCO_2$,decreased $H^+$ concentration (increased $pH$),and decreased temperature. Therefore,when the temperature decreases,the affinity of hemoglobin for oxygen increases,causing the curve to shift to the left.

What happens to the oxygen-hemoglobin $(O_2-Hb)$ dissociation curve when the temperature decreases?

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