Cell biology

• Components of bacterial cells

  • Cell wall
  • Cell membrane
  • Cytoplasm
  • Single circular strand of DNA and plasmids
• Structures in bacterial cells

  • Cytoplasm
  • Cell membrane
  • Cell wall
  • Single circular strand of DNA
  • Plasmids
• Specialised animal cells

  • Sperm cells
  • Nerve cells
  • Muscle cells
• Light microscope

  Has two lenses (objective and eyepiece), illuminated from underneath, max magnification x2000, resolving power 200nm