Biology 9700 · AS & A Level · Antibiotics

Antibiotics — practice question

Which statement gives the correct reason that penicillin has no effect on viruses?

  • APenicillin only affects host cell metabolism.
  • BPenicillin only binds with 70S ribosomes.
  • CPenicillin only blocks mRNA synthesis in prokaryotes.
  • DPenicillin only blocks peptidoglycan synthesis.

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