Moderate

Resistance of Staphylococcus aureus is due to ________________________?

Correct answer: B. Elaboration of an enzyme that destroy penicillin

  • A. Pleomorphism
  • B. Elaboration of an enzyme that destroy penicillin
  • C. Penicillin analogue production
  • D. Lack of nucleic acid in the cell wall

Explanation

Many resistant Staphylococcus aureus strains produce beta-lactamase, an enzyme that hydrolyses the beta-lactam ring of penicillin. The other options do not describe the usual mechanism of penicillin resistance.

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