Penicillinases are enzymes produced by bacterial cells,usually after acquiring a new gene,that ________.

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Penicillinases are enzymes that hydrolyze the β-lactam ring of penicillins and cephalosporins, rendering them ineffective. This is due to the fact that the β-lactam ring is necessary for the antibiotic to function properly by binding to and inhibiting the activity of bacterial cell wall synthesis enzymes. When the ring is broken by penicillinase, the antibiotic loses its ability to bind to the enzymes and becomes ineffective.

Penicillinases Are Enzymes Produced by Bacterial Cells,usually After Acquiring a New