Moderate

Tetracycline acts on______________?

Correct answer: A. 30S ribosomes

  • A. 30S ribosomes
  • B. 50S ribosomes
  • C. Cell membrane
  • D. Inhibiting DNA gyrase

Explanation

Tetracyclines bind reversibly to the 30S bacterial ribosomal subunit and prevent attachment of aminoacyl-tRNA. Drugs acting on the 50S subunit include macrolides and clindamycin.

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