Enzymes and Genetics 0.0 / 5 ? BiologyDNA and inheritanceMicrobes and diseaseGCSEAQA Created by: Georgina210Created on: 05-03-16 09:35 What are enzymes ? Catalysts produced by living things 1 of 20 What is a catalyst ? A substance which increases the speed of a reaction , without being changed or used up in the reaction 2 of 20 What do enzymes need ? The right temp and ph 3 of 20 What do digestive enzymes do ? They break down Big molecules into smaller ones 4 of 20 What does Amylase do ? Converts starch into sugar 5 of 20 What does Protease do ? Converts proteins into Amino Acids 6 of 20 What does Lipase do ? Converts Lipids into Glycerol and Fatty Acids 9 7 of 20 What does bile do ? Bile Neutralises the stomach acid and emulsifies fats 8 of 20 What happens inside the large intestine ? Water is absorbed from food 9 of 20 What is stored in the Gall Bladder ? Bile 10 of 20 What is respiration ? The process of releasing energy from glucose , which goes on in every cell 11 of 20 Give the equation for Aerobic respiration Glucose + oxygen > carbon dioxide + water + energy 12 of 20 What does Aerobic respiration use up ? Oxygen 13 of 20 What does exercise increase ? Heart rate 14 of 20 What is used up during exercise ? Glycogen 15 of 20 When is Anaerobic respiration used ? When there is not enough oxygen / Oxygen debt 16 of 20 What is the equation for Anaerobic respiration ? Glucose > energy + lactic acid 17 of 20 Give a way enzymes are used in foods In baby food , the proteins are pre - digested used enzymes , it makes it easier for the baby to swallow 18 of 20 Give an advantage of enzymes They are specific , they use low temps 19 of 20 Give a disadvantage of enzymes people 20 of 20
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