This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'Skeletal muscle is deficient in \nSelect and explain. \nA. Glucose -6 phosphatase, B. Hexokinase, C. Isomerase, D. Phosphofructokinase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Muscle will not release glucose into the bloodstream, because muscle tissue does not contain the glucose-6-phosphatase.Ref: DM Vasudevan, 7th edition, page no: 125', 'role': 'assistant'}]