Antibacterial Drugs Quiz
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Questions and Answers

What is the primary target of penicillins in bacterial cells?

  • Ribosomes
  • Penicillin-binding proteins (PBPs) (correct)
  • DNA gyrase
  • Cell membrane
  • Which class of antibiotics interferes with bacterial cell wall synthesis?

  • Macrolides
  • Tetracyclines
  • Aminoglycosides
  • Penicillins (correct)
  • Which structural component of the bacterial cell wall do penicillins resemble?

  • Lipopolysaccharides
  • Outer membrane proteins
  • Teichoic acids
  • Terminal portion of the peptidoglycan strand (correct)
  • What is the mechanism of action of penicillins in bacterial cells?

    <p>Inhibition of transpeptidation process</p> Signup and view all the answers

    What is the ultimate effect of penicillins on bacterial cells?

    <p>Cell death</p> Signup and view all the answers

    Which enzyme do penicillins interfere with in bacterial cells?

    <p>Transpeptidase</p> Signup and view all the answers

    What is the primary structural component of the bacterial cell wall targeted by penicillins?

    <p>Peptidoglycan</p> Signup and view all the answers

    Which type of antibiotics compete with penicillins for binding to penicillin-binding proteins (PBPs) in bacterial cells?

    <p>Cephalosporins</p> Signup and view all the answers

    What is the ultimate effect of interfering with bacterial cell wall synthesis by penicillins?

    <p>Bacterial cell lysis</p> Signup and view all the answers

    Which bacterial cell type is most affected by penicillins due to their requirement for actively proliferating cells?

    <p>Gram-positive</p> Signup and view all the answers

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