Identify the true statement about the affinity of hemoglobin for O2.
A) Presence of carbonic acid in the erythrocytes increases the affinity of hemoglobin for O2.
B) The affinity of hemoglobin for O2 increases with an increase in temperature.
C) A decrease in the partial pressure of CO2 causes the affinity of hemoglobin for O2 to decrease.
D) Presence of 2,3-bisphosphoglycerate increases the affinity of hemoglobin for O2.
E) The affinity of hemoglobin for O2 decreases with a decrease in acidity.
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