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': 'Muscles are not involved in which glycogen storage disease: \nSelect and explain. \nA. I, B. II, C. III, D. IV', 'role': 'user'}, {'content': "Answer: A \nExplanation: A i.e. I Type I glycogen storage disease (Von Gierke's) is due to deficiency of Glucose -- 6- phosphataseQ.As this enzyme is absent in muscle, so muscles are not affected in Glycogen storage disease type I.Q. It affects liver,kidney and intestine.", 'role': 'assistant'}]