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

Mode of action of enzymes — practice question

Rifampicin is an antibiotic that is used in the treatment of tuberculosis. Its action is to inhibit RNA polymerase in bacteria. Which processes are directly affected by this antibiotic? 1 DNA replication 2 enzyme synthesis 3 ATP synthesis

  • A1, 2 and 3
  • B1 and 2 only
  • C1 and 3 only
  • D2 only

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