This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Biochemistry
[{'content': 'Which of the following enzyme is absent in muscle ? \nSelect and explain. \nA. Glucose-1-phosphatase, B. Glucose-6-phosphatase, C. Glycogen phosphorylase, D. Thiophorase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Skeletal muscle and adipose tissue cannot contribute directly to blood glucose because it does not contain glucose-6-phosphatase.The glucose -1-phosphate is conveed to glucose-6-phosphate by phosphoglucomutase. And only liver but not muscle can utilize glucose-6-phosphate to generate glucose', 'role': 'assistant'}]