<prompt> Mechanism of resistance of tetracyclines is due to?Drug efflux mechanismDevelopment of inactivating enzymesDNA methylationCell wall alteration  <response>: Mechanism of Resistance Examples Enzymatic breakdown A: Aminoglycosides B: Beta lactams C: Chloramphenicol Decreased permeability Aminoglycosides Efflux pumps Tetracyclines Altered metabolic pathway Sulfonamides Altered target MRSA Vancomycin, Fluoroquinolones 