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3392831
biology- IGCSE chapter 1
Description
all the information on chapter 1 of edexcel biology
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cells and structures
enzymes
Mind Map by
daysi273
, updated more than 1 year ago
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Created by
daysi273
over 9 years ago
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Resource summary
biology- IGCSE chapter 1
cell structures
animal cells
mitrochondria
Where respiration takes place
nucleous
where dna is stored
cytoplasm
gives the cell its shape
cell membrane
controls what enters and leaves the cells (by diffusion
plant cells (includes all from animal cells with 3 exceptions)
cell wall
effects the shape of cell
vacule
contains watery sap
chloroplasts
where PHS takes place
enzymes
are Biological catalysts
they speed up chemical reactions
the way they go together is a lock and key method
the temperature and the PH matter for the speed of reaction
37 degrees is the optimum temp and PH 7 is the optimum PH
They're proteins
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