Antibiotics

• What is a bacteriostatic antibiotic?

  • Inhibit growth of bacteria
  • By stopping protein synthesis
  • By binding to ribosome
  • Changing ribosome shape
  • So mRNA cant bind to it
  • Translation of mRNA into protein doesnt occur
• What is a bactericidal antibiotic?

  • Kills bacteria
  • Inhibiting enzymes that synthesise cell wall
  • Cell wall weakens
  • Bursts when H2O enters via osmosis