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ASAD ALI CMS SCIENCE YEAR 1 Effect of temperature on enzyme activity Compiled by Asad Ali EFFECT OF TEMPERATURE ON ENZYME ACTIVITY INTRODUCTION The majority of the reactions that occur in living organisms are enzyme-controlled. Without them, the rate of the reactions would be so slow as to cause serious, if not fatal, damage. Enzymes are proteins and thus have a specific shape. They are therefore specific in the reactions that they catalyse - one enzyme will react with molecules of one substrate. In this experiment, enzyme amylase is used to study effect of temperature on enzyme activity. This enzyme breaks down the starch into a complex sugar that can be used in the body. It occurs widely in both plants and animals. In humans, it is found in saliva and in pancreatic digestive juices that drains into the alimentary canal. The site of the reaction occurs in an area on the surface of the...

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