Physiology False about the O2 dissociation curve A Sigmoid curve B Combination of the first heme in the Hb molecule with O2 increases the affinity of the second heme for O2 C Increase in ph shifts curve to right D Fall in temperature shift curve to left 💡 Explanation False about the O2 dissociation curve ✓ Correct Answer: C. Increase in ph shifts curve to right