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Enzymes The structure of the enzyme is mainly dependent on the active site and variable groups. Extreme temperatures or extreme pHs can alter the structure of an enzyme. Enzymes function to lower the activation energy to break the bonds. They achieve this by putting stress and pressure on the bonds or creating a microenvironment for the substrate. Enzymes are regulated by inhibitors or activators and can be inhibited by the products of the reaction, called feedback inhibition. Enzymes are catalytic proteins; therefore they change the rate of a reaction without being consumed. This means that once and enzyme does its job it can still perform the same function as it did Approximate words: 1029 Approximate pages: 5

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