<prompt> The most important function of 23 DPG isO2 releaseO2 bindingAcid base balanceWater electrolyte balance  <response>: Ref: Harpers Illustrated Biochemistry, 28th edition Explanation:Hemoglobin comes to T form or taut form by 23 BPG DPG which is formed during glycolysis. This reduces the affinity of Hb for oxygen and helps in the unloading of oxygen. 