When 2 3 bisphosphoglycerate bpg levels decreases hemoglobin July 8, 2019 16 32 64 128 2 3 bisphosphoglycerate hemoglobin When 2 3-bisphosphoglycerate (bpg) levels increase hemoglobin 2 3 diphosphoglycerate Hemoglobin 2 3 bpg