Extended b-lactamases target all the following antibiotics except:
A)penicillins.
B)cephalosporins.
C)monobactams.
D)macrolides.

Question

Quizplus · Accepted Answer

The extended-spectrum b-lactamases (ESBLs) are now known to be derivatives of the common type b-lactamases, but they differ by one or more amino acid substitutions near the reactive site of the enzyme.ESBLs have specific sets of penicillins, cephalosporins, and monobactams they can hydrolyze, and all ESBLs are not capable of hydrolyzing all cephalosporins equally well.

Extended B-Lactamases Target All the Following Antibiotics Except