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CAIE A-Level Biology 10.2 Antibiotics Question Bank

Practise antibiotic questions by explaining penicillin action, why bacterial targets differ from viruses or human cells, and how resistance evolves and is controlled.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • explain penicillin action on transpeptidase, peptidoglycan cross-links and osmotic lysis
  • use absent cell-wall or 70S-ribosome targets to explain selective antibiotic effects
  • analyse resistance from mutation, plasmid transfer, selection pressure and stewardship

Covered syllabus points

10.2.1—Penicillin action on bacteria10.2.2—Why antibiotics don't affect viruses10.2.3—Antibiotic resistance

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