This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
Hexosaminidase A deficiency causes 
Select and explain. 
A. Tay-sach disease, B. Niemann pick disease, C. Gaucher's disease, D. Krabbe's disease
A: Tay-sach disease
Answer: A: Tay-sach disease 
Explanation: Tay Sach&;s disease is a lipid storage disease. Due to deficiency of hexosaminidase A.GangliosideRef: DM Vasudevan, 7th edition, page no: 193