Proteins- their functions and uses 2.5 / 5 based on 3 ratings ? BiologyGCSEAQA Created by: Pea_emmaCreated on: 03-04-13 14:59 A substance that increases the rate of a chemical reaction without being changed itself Catalyst 1 of 8 A protein that speeds up a reaction (a biological catalyst) Enzyme 2 of 8 An enzyme used to break down proteins into amino acids Protease 3 of 8 An enzyme that breaks down fat into fatty acids and glycerol Lipase 4 of 8 An enzyme that breaks down starch Amylase 5 of 8 The smaller soluble sub-units that join to form proteins Amino acids 6 of 8 A greenish-yellow fluid produced by the liver Bile 7 of 8 Where the special shape of an enzyme is changes (by excessive temperature or pH) so it no longer functions Denatured 8 of 8
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