Which of the following antibiotics specifically disrupt protein synthesis of streptococci?

Question

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Macrolides specifically disrupt protein synthesis in streptococci by binding to the 50S subunit of the bacterial ribosome, preventing the movement of the ribosome along the messenger RNA (mRNA), thus ultimately inhibiting protein synthesis. Beta-lactams and cephalosporins target the cell wall synthesis, while ansamycin targets bacterial transcription, and aminoglycosides target bacterial protein synthesis by binding to the 30S subunit of the bacterial ribosome.

Which of the Following Antibiotics Specifically Disrupt Protein Synthesis of Streptococci