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
Pompe's disease is due to deficiency of which enzyme storage disease 
Select and explain. 
A. Branching enzyme, B. Glucose 6 phosphatase, C. Acid maltase deficiency, D. Muscle phosphorylase
C: Acid maltase deficiency
Answer: C: Acid maltase deficiency 
Explanation: Pompe's disease (Type H glycogenosis) is due to deficiency of acid maltase (lysosomal α l →4 and α l→6 glucosidase).