Enzymes and digestion 0.0 / 5 ? BiologyEnzymes and digestionGCSEAll boards Created by: 2002_amesCreated on: 26-02-16 21:30 What are enzymes made of? Amino acids 1 of 20 What are enzymes? A type of biological catalysts. They are also proteins 2 of 20 What do enzymes do? Help to speed up the breaking down process of food molecules 3 of 20 What does the enzyme Amylase do? Breaks down startch into sugars 4 of 20 What does the enzyme lipease do? Breaks down fats into fattacids and glycerol 5 of 20 What does the enzyme protease do? Breaks down proteins into amino acids 6 of 20 Where is amylase made? Salivary glands, pancreas and small intestine 7 of 20 Where is lipease made? Pancreas, small intestine 8 of 20 Where is protease made? Pancreas, stomach and small intestine 9 of 20 What is the active site? Where the reaction happens between the substrate and enzyme 10 of 20 What is the substrate-enzyme structure look like? A lock and key 11 of 20 What happens if the temperature is raised above the optimum temperature or is not close to the optimum pH? The shape of the active site becomes denatured and the reaction 12 of 20 What reactions are catalysed by enzymes? Respiration, photosynthesis and digestion 13 of 20 Why does each substrate have a particular enzyme? Each is enzyme has a specific job, amino acid numbers and orders are a result of this. These cause a different shaped active site 14 of 20 What to happens to enzymes once they have helped one reaction? They do the process again 15 of 20 What increases the surface area in the small intestine? The villi 16 of 20 Why does the small intestine need a larger surface area? So more broken down food molecules can be absorbed 17 of 20 What is used to do mechanical digestion? Teeth 18 of 20 What is used to do chemical digestion? Enzymes 19 of 20 What does bile do? Emulsifiers fat (makes tiny droplets of fat to help digestion 20 of 20
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