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
Bactericidal inhibitors of protein synthesis are : 
Select and explain. 
A. Tetracyclines, B. Aminoglycosides, C. Macrolides, D. Lincosamides
B: Aminoglycosides
Answer: B: Aminoglycosides 
Explanation: None