biology

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Author:
JemmaMcc_12
ID:
191377
Filename:
biology
Updated:
2013-01-04 13:23:39
Tags:
cells
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Description:
microscopes and cells form 1
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The flashcards below were created by user JemmaMcc_12 on FreezingBlue Flashcards. What would you like to do?


  1. Movement
    Respiration
    Sensitivity

    Growth
    Reproduction
    Excretion
    Nutrition
  2. CELLS--->TISSUES-->ORGAN SYSTEMS-----> WHOLE ORGANISM
  3. MEMBRANE- controls what enters and leaves the cell
    CYTOPLASM- Living contents of the cell where all reactions occur
    NUCLEUS- control centre for the cell. The chromosomes are held here.
    CHROMOSOMES- Long string of instructions called genes.
    GENES- A part of a chromosome which has the blue print for a body feature.
  4. CELL WALL- gives support to the cell
    VACUOLE- stores sap (which is mainly water)
    CHLOROPLAST- contain a green pigment called chlorophyll which is needed to trap light energy from the sun.
  5. Animal cells are smaller than plant cells.

    Plant cells always have a cell wall, animal cells never do.

    Plant cells have a large central vacuole, animal cells never do.

    Plant cells may have chloroplasts which hold chlorophyll to trap sunlight for photosynthesis, animal cells never do.

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