This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Muscle cannot take pa in gluconeogenesis due to absence of: \nSelect and explain. \nA. Enolase, B. Glucose 6 phosphatase, C. Pyruvate kinase, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The conversion of glucose 6-phosphate to glucose is catalyzed by glucose 6-phosphatase. It is present in liver and kidney, but absent from muscle and adipose tissue, which, therefore, cannot expo glucose into the bloodstream. Ref: Harper 28th edition, chapter 20.', 'role': 'assistant'}]