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: Pharmacology
[{'content': 'Caspofungin is an antifungal which acts on: \nSelect and explain. \nA. Cell wall, B. Cell membrane, C. Mitochondria, D. Nucleic acid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Caspofungin, Micafungin, Anidulafungin belongs to "Echocandin"\xa0 group which act by inhibiting Beta1-3 glucan synthesis which is a component of cell wall.', 'role': 'assistant'}]