Enzymes are biological catalysts to speed up the rate of chemical reactions.
The shape of an enzyme is crucial to its function, and a high.temp will DENATURE the enzyme changing the shape of the active site.pH will also affect the impact of certain enzymes
Some enzymes work outside the body cells, for example enzymes produced in glands and the lining of the gut move out of these cells into the gut and catalyse the breakdown of larger molecules into smaller ones.
Microorganisms can produce enzymes which pass out of the cell, and have use in the home and industry. In the home biological detergents can contain proteases and lipases, and in industry proteases can 'pre-digest' baby foods ,carbohydrases convert starch into sugar syrup,and isomerase convert glucose into fructose.
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