Microbiology Which of the following is not mechanism for resistance to MRSA – A Resistance is chromosomally mediated B Produced mainly by alteration in PBPs C MRSA resistance is absolutely beta-lactamase independent D Intrinsic resistance is absent 💡 Explanation Which of the following is not mechanism for resistance to MRSA - ✓ Correct Answer: C. MRSA resistance is absolutely beta-lactamase independent