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': 'Drug which inhibit protein synthesis are all of the following except: March 2007 \nSelect and explain. \nA. Tetracycline, B. Chloramphenicol, C. Erythromycin, D. None', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d noneDrugs which act by inhibiting protein synthesis:Aminoglycosides (streptomycin, amikacin, tobramycin, neomycin, etc.),SpectinomycinChloramphenicolClindamycinTetracycline (and minocycline, doxycycline, etc.)Erythromycin (and azithromycin)Fusidic acidLinezolidPenicillin/beta-lactamase antibiotics act by interfering with the synthesis of bacterial cell wall.', 'role': 'assistant'}]