• Created by: Holly45
  • Created on: 13-03-15 17:21


  • are catalysts produces by natural things
  • enzymes are proteins and are made from amino acids
  • they have special shapes for chemical reactions
  • they need high temperatures and pH
  • if the temperature gets too high the enzymes will denature
  • they work best at 37 degrees
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Enzymes and digestion

  • enzymes break down big molecules into small ones
  • AMYLASE converts starch into sugars (made in the salaviry glands, pancreas and small intestine)
  • PROTEASE converts proteins into amino acids (made in the stomach, pancreas and small intestine)
  • LIPASE converts lipids knot glycerol and fatty acids (made in the pancreas and small intestine)
  • bile neutralises stomach acid and emulsifies fats
  • bile is produced in the liver and stored in the gall bladder
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