This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glycogen Metabolism and Glycogen Storage, Subject name: Biochemistry
Enzyme involved in Von Girke disease is? 
Select and explain. 
A. Muscle glycogen Phosphorylase, B. Glucose 6 Phosphatase, C. Debranching enzyme, D. Branching enzyme
B: Glucose 6 Phosphatase
Answer: B: Glucose 6 Phosphatase 
Explanation: Ans. (b) Glucose 6 PhosphataseRef: Harper's Biochemistry 27th ed ch-19