Biology - Cell Unit

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Author:
lmarinelli
ID:
279959
Filename:
Biology - Cell Unit
Updated:
2014-07-29 20:09:04
Tags:
Cells Biology
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Description:
Cell
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  1. Cell Theory
    • All organisms are composed of cells
    • Cell is basic unit of life
    • Cells arise from pre existing cells
  2. MRS GREN
    The seven characteristics used to define life
  3. Movement
    • All living things move
    • Plants grow/move toward the light
    • Bacteria even show signs of movement
  4. Reproduction
    • All organisms need to reproduce to keep species going
    • Humans have babies, plants produce seeds, microbes reproduce by splitting into two
  5. Sensitivity
    Organisms need to be aware of surroundings, helps them keep out of danger and find food and shelter
  6. Growth
    All living things grow and get bigger
  7. Respiration 'energy'
    • All organisms need energy to move and grow
    • Energy produced by glucose
    • Cellular respiration and photosynthesis
  8. Excretion
    All organisms make waste which isn't needed in our system anymore
  9. Nutrition
    • All living things need food
    • Animals must consume other living things for food
    • Plants must make their own food by photosynthesis
  10. Prokaryotic
    • Do not have membrane bound nucleus 
    • Monera
  11. Eukaryote
    • Have membrane bound nucleus 
    • Protista 
    • Fungi
    • Plantae
    • Animalia
  12. Cell wall
    • Semi rigid structure 
    • Provides structural support

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