B2.3 Enzymes 0.0 / 5 ? BiologyEnzymes and digestionB2GCSEAQA Created by: 12dalelCreated on: 21-11-16 16:25 What are protein molecules made up of? A long chain of amino acids 1 of 13 What do proteins do in the body? -Act as structural components of tissues -hormones -antibodies -catalysts 2 of 13 What is an enzyme? Biological catalysts 3 of 13 What is the active site? The part in the structure of the enzyme where the substrates bind 4 of 13 What are enzymes affected by? Temperature and pH levels 5 of 13 How does the temperature and pH level affect the enzyme? They can cause the enzyme to deform and change the shape of the active site 6 of 13 Where are enzymes made in the digestive system? In glands lining the gut 7 of 13 What are enzymes that break down carbohydrates called? Carbohydrases 8 of 13 What is the enzyme that breaks up starch called? Amylase 9 of 13 What enzyme breaks down proteins? protease 10 of 13 What enzyme breaks down fats and oils? lipase 11 of 13 Why is the stomach acidic? The enzymes work best in acidic conditions 12 of 13 What are biological detergents used for? Washing out stains from clothes and cleaning plates etc... 13 of 13
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