This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'MECHANISM OF RESISTANCE TO PENCILLIN BETA LACTAMASE IS : \nSelect and explain. \nA. ALTERED PENCILLIN BINDING PROTIENS, B. DRUG EFFLUX, C. BREAKS DRUG STRUCTURE, D. ALTERATION IN 50S RIBOSOME STRUCTURE', 'role': 'user'}, {'content': 'Answer: C \nExplanation: REF : KD TRIPATHI 8TH ED', 'role': 'assistant'}]