<prompt> G6PD is enzyme of:MitochondriaCell membraneGolgi organEndoplasmic reticulum  <response>: Ans. b Cell membraneRef: Lippincotts Biochemistry 6th ed. P 151-152 G6PD enzyme is located at the cell membrane. RBC membrane is one such example, and is associated with severe pathology Location: X chromosome at q28 locus. G6PD enzyme is X-linked gene It protects the RBC from the deleterious effects of oxidizing agents by reducing themselves to NADPH. In deficiency of G6PD enzyme - impaired ability of RBC to form NADPH - Hemolysis 