Biology 9700 · AS & A Level · Antibiotics

Antibiotics — practice question

Antibiotics work in different ways. It is essential that an antibiotic destroys the bacteria without injuring the infected human. The antibiotic tetracycline has been discovered to influence the way human mitochondria work. Which statements could account for human mitochondria function being affected by tetracycline?

  • AThe antibiotic prevents the synthesis of peptidoglycan cell walls.
  • BThe antibiotic prevents synthesis of linear DNA.
  • CThe antibiotic prevents translation of circular DNA.
  • DThe antibiotic prevents translation by binding to 70S ribosomes.

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