Multiple Choice
β-Lactamases hydrolyze b-lactam antibiotics using two distinct mechanisms: those having a metallo-based mechanism of action and those with:
A) Ring-specific enzymes
B) A serine-based mechanism of action
C) A chromosomal mechanism of action
D) A transporter mechanism of action
Correct Answer:

Verified
Correct Answer:
Verified
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Q17: These two classes of antibiotics allow initiation
Q25: Insertion sequences are:<br>A) Circular structures present in
Q26: Mechanisms that mediate intrinsic antibiotic resistance include
Q27: Extended b-lactamases target all the following antibiotics
Q27: This antibiotic affects the DNA replication by
Q28: Integrons are:<br>A) Circular structures present in bacteria
Q29: The outer membrane of gram-negative bacteria is
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Q38: This is one of the first resistance