Temperature and the Enzyme RenninIntroduction/background
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Science: double award (modular) Temperature and the Enzyme Rennin Introduction/background research Enzymes are chemical reactions that speed up the process in our cells. They can also be known as biological catalysts. They are useful because the enzyme can be used again and again. The enzyme does not form a chemical bond with the substrate therefore once the products of the reaction are released, the enzyme returns to its normal shape. Only a small amount of the enzyme is needed to control the reaction and only 1 type of enzyme can be used on a particular substrate. They influence the rate of the reaction by speeding up the chemical reactions. E.g. digestion. Enzymes can be affected by temperature and pH. Temperature increases the rate of the activity up to the enzymes optimum temperature. However as the temperature rises the enzyme denatures and is no longer useful. The enzyme no longer fits the active site....


