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  • metabolism
    • the sum of all the reactions in a cell or the body
    • 1. conversion of glucose to starch, glycogen and cellulose
    • 2. the formation of lipid molecules from a glycerol and 3 molecules of fatty acid
    • 3. the use of glucose and nitrate ions to form amino acids which in turn are used to synthesise proteins
    • 4. respiration
    • 5. break down of excess proteins to form urea for excretion


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