This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
[{'content': 'G6PD is enzyme of: \nSelect and explain. \nA. Mitochondria, B. Cell membrane, C. Golgi organ, D. Endoplasmic reticulum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]