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': "In Gaucher's diseases, there is deficiency of? \nSelect and explain. \nA. Glucocerebrosidase, B. Glucokinase, C. Sphingomyelinase, D. G-6PD", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Glucocerbrosidase', 'role': 'assistant'}]