Biology 9700 · AS & A Level · Mode of action of enzymes

Mode of action of enzymes — practice question

In what way does penicillin affect bacteria?

  • AIt inhibits DNA replication by binding to nucleotides.
  • BIt inhibits translation by preventing tRNA binding to ribosomes.
  • CIt is a competitive inhibitor of an enzyme in cell wall synthesis.
  • DIt is a competitive inhibitor of an enzyme in protein synthesis.

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