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biology- IGCSE chapter 1

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all the information on chapter 1 of edexcel biology
daysi273
Mind Map by daysi273, updated more than 1 year ago
daysi273
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biology- IGCSE chapter 1
  1. cell structures
    1. animal cells
      1. mitrochondria
        1. Where respiration takes place
        2. nucleous
          1. where dna is stored
          2. cytoplasm
            1. gives the cell its shape
            2. cell membrane
              1. controls what enters and leaves the cells (by diffusion
            3. plant cells (includes all from animal cells with 3 exceptions)
              1. cell wall
                1. effects the shape of cell
                2. vacule
                  1. contains watery sap
                  2. chloroplasts
                    1. where PHS takes place
                3. enzymes
                  1. are Biological catalysts
                    1. they speed up chemical reactions
                      1. the way they go together is a lock and key method
                        1. the temperature and the PH matter for the speed of reaction
                          1. 37 degrees is the optimum temp and PH 7 is the optimum PH
                            1. They're proteins
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