Prokaryotic & Viruses

Prokaryotic Cells

• They resembled the first living cells.
• They are estimated to have formed within the first billion years of Earth.
• Bacteriums are prokaryotic cells.
  
• They have no nucleus or internal membranes, meaning their organelles un-bound by a membrane.
• The cell membranes sometimes fold inwards to form a mesosome which will increase surface area.
• They may have a photosynthesis lamella which can also increase surface area.
• They are mostly unicellular.
• …