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1607 Unknown

About O2 dissociation curve, true is:

AAffinity of O2 with Hb decreases as Hb attaches to O2 in linear fashion
B1 Hb attaches to 2 molecules of 2,3 DPG
CO2 affinity will be equal in both HbF and HbA in the absence of 2, 3DPG is removed (Correct Answer)
DCarboxy Hb increases releases of O2 in blood (shift O2 dissociation curve to right)