6. Antibiotics can kill or inbibit microbial growth. Please choose a correct description.
(A) Vancomycin is an inhibitor for bacterial protein synthesis, while tetracyclinesinhibitor cell wall synthesis.
(B) Chloramphenicol is a bacteriostatic antibiotic and can damage bacterial cellmembrane.
(C) Quinolones inhibit bacterial DNA gyrase and topoisomerase and thereforeinhibit DNA replication.
(D) Antibiotic resistance of methicillin-resistant Staphylococcus aureus (MRSA) isdriven by the mecA gene encoding alternative ampicillin-binding protein.
(E) None of the above.