Biology 9700 · AS & A Level · Antibiotics

Antibiotics — practice question

The antibiotic tetracycline attaches to the small subunit of bacterial ribosomes and prevents protein synthesis. Bacteria have developed resistance to tetracycline because of mutations. Which effect could lead to resistance to tetracycline?

  • Apreventing tetracycline from binding to the bacterial cell wall
  • Bpreventing tetracycline from entering the bacterial cell
  • Cpreventing tetracycline from inhibiting transcription
  • Dpreventing the production of tetracycline by ribosomes

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