Pharmacology Tetracyclines inhibit protein synthesis by: A Inhibition of initiation and misreading of mRNA B Binding to 30 S subunt and inhibiting the binding of aminoacyl-RNA to A site C Inhibiting peptidyl transferase activity D Inhibiting translocation 💡 Explanation Tetracyclines inhibit protein synthesis by: ✓ Correct Answer: B. Binding to 30 S subunt and inhibiting the binding of aminoacyl-RNA to A site