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Biology Unit 2
Cells
Animal
Nucleus: controls activities
Cytoplasm: Liquid gel ­ chemical reactions takes place
Cell membrane: Layer of fat - controls passage of substances
Mitochondria: Respiration takes place
Ribosome: Protein synthesis (making of)

Plant
All of above and:
Cell wall: cellulose ­ strengthens cell
Chloroplasts: Contains green chlorophyll,…

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