cells

• cells are the most basic living unit that make up organisms.
• there are 2 types of cells: eukaryotic(multicellular) and prokaryotic(unicellular)
• all cells have:

  1. Cell membrane
  2. Genetic material
  3. Cytoplasm
• Prokaryotic cells: cells without a nucleus (no genetic material)


  -Unicellular (single cell)

  -Primitive organisms

  -E.g. bacteria
• Eukaryotic cells (cells with a nucleus and other membrane enclosed organelles)


  -multicellular (more complex /advanced)

  E.g. animals and plants
• Microscopic: Small enough to be seen with a microscope.
• DNA: material found inside living cells that carries the hereditary information
• Macroscopic: visible to the naked eye