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: Medicine
[{'content': 'The antibiotic which acts on the cell membrane is? \nSelect and explain. \nA. Daptomycin, B. Bacitracin, C. Linezolid, D. Novobiocin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The antibiotics which acts on the cell membranes are: Polymyxins, Gramicidin, and daptomycin Ref: Harrisons, Edition-18, Page :1134.', 'role': 'assistant'}]