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One of the factors that affects enzyme activity is the pH. If there are small changes in the pH, the enzyme will denature and catalytic activity will be lost. More »

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Factors that influence enzyme activity include substrate concentration, enzyme concentration, temperature, pH and the presence of any activators or inhibitors. Enzymes act as catalysts for biochemical activities. More »

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In general, the rates of enzyme-catalyzed reactions are faster as temperature increases and slower as temperatures decrease below an optimal temperature level. When temperature increases, more molecules have more kinetic... More »

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An enzyme is a biological catalyst, but there are also inorganic catalysts. Enzymes are globular proteins synthesized within cells to catalyze specific chemical reactions. Inorganic catalysts are mineral ions or other sm... More »

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An enzyme is a type of protein that is used by cells to speed up chemical reactions. It acts as a catalyst, which means it participates in and affects a reaction but is not itself altered by that reaction. More »

www.reference.com Science Chemistry Organic Chemistry

An enzyme is in the class of organic compounds or molecules known as proteins or polypeptides. Enzymes play a role in reactions at the cellular level. More »

www.reference.com Science Chemistry Organic Chemistry

A change in the pH, or acidity level, can change the shape of an enzyme, preventing it from fulfilling its purpose, according to a Florida State University biochemistry laboratory manual. According to Elmhurst College, e... More »

www.reference.com Science Chemistry Organic Chemistry