Transfer of drug resistance in Staphylococcus is by: (A) Transduction, (B) Transformation, (C) Conjugation, (D) Transfection
Answer is A. Beta-lactamase(penicillinase) inactivates penicillin by splitting beta-lactam ring. Penicillinase is an inducible enzyme and its production is usually controlled by plasmids which are transmitted by transduction or conjugation.