Multiple choice Tetracycline acts by which of the following? Inhibiting protein synthesis through interference with the binding of aminoacyl t RNA to the 30 S subunit ribosome. Inhibiting protein synthesis by combining with the 50S subunit ribosome. Inhibiting protein synthesis by combining irreversibly with the 30 S subunit. Increases cell permeability. Causing a leakage from the cytoplasmic content of the cell. Reveal answer Fill a bubble to check yourself A Correct answer Explanation This is the mode of action of tetracycline.