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  • Created by: Natasha
  • Created on: 11-03-13 09:26
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  • Enzymes
    • Biological catalysts which speed up reactions
      • Catalysts are special chemicals which speed up reaction
    • Make reactions faster
      • Do NOT change overall reaction
    • Build large molecules from lots of smaller ones
      • Changing one molecule into another
      • Breaking down large molecules into smaller ones.
    • Active site is a hole or indentation in the enzyme, which allows other molecules to fit into the enzyme
    • Made up of protein molecules made up of long chains of amino acids
    • Temperature and PH affect how enzymes work.
    • Activation energy= Minumum amount of energy particles must have to be able to react
    • Optimum temp= Where the reactions works as fast as possible
      • After this enzyme becomes denatured.
    • Used in washing machine tablets and slimming food.


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