💊 PCAT Exam Prep

Beta-lactam antibiotics (penicillins) work by:

A Inhibiting protein synthesis
B Inhibiting bacterial cell wall synthesis by binding penicillin-binding proteins
C Inhibiting DNA synthesis
D Disrupting cell membranes

✓ Correct Answer: Option B

Beta-lactam ring binds PBPs, preventing peptidoglycan cross-linking → weakened cell wall → osmotic lysis of bacteria.

Practice PCAT Exam Prep Quizzes → Browse All Questions Study Flashcards

Related PCAT Exam Prep Questions

If a 250mg/5mL suspension is prescribed, how many mL are needed for a 375mg dose?

Gluconeogenesis is the process of:

A passage describes a dose-response relationship. This means:

Entropy (S) represents:

Second-order reaction kinetics show half-life that:

Neurotransmitter reuptake inhibitors work by: