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Biology Topic 1 - Coggle Diagram

- - - - Small and Simple
      - single-celled organism
      - e.g Bacteria
    - - Complex
      - e.g plant/animal cells
      - Organisms made of eukaryotic cells
  - - - Nucleus - contains genetic material
      - Cytoplasm - where chemical reactions happen, Contains enzymes that control reactions
      - Cell Membrane - holds cell together and controls what goes in and out
      - Ribosome - where proteins are made in the cell
    - - Cell Wall - supports and strengthens the cell
      - Permanent Vacuole - contains cell sap
      - Chloroplasts
        
        Makes chlorophyll, which absorbs light needed for photosynthesis
        
        Where photosynthesis occurs
  - - - Sperm cells
        
        Specialised for reproduction
        
        Long tail and streamlined head for swimming
        
        Lots of mitochondria to give cell energy
      - Nerve Cells
- - - - Use light and lenses to form image of specimen and magnify it
      - Let us see individual cells and large sub-cellular structures e.g nuclei
    - - Use electrons to form image
      - Have higher resolution
        
        Resolution - the ability to distinguish between two points
      - Let us see smaller things in more detail - as small as plasmids and ribosomes