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Molecules which serve as chemicals to make reactios work - like the breakdown of food molecules?
Wiki User
∙ 14y ago
Catalysts are chemicals that can speed up a reaction but don't actually get used up themselves. Catalysts that slow reactions down are called negative catalysts or inhibitors. Manganese dioxide is a catalyst that speeds up the breakdown of hydrogen peroxide into water and oxygen. When a catalyst acts in a living organism it is called an enzyme. Human saliva has the enzyme amylasewhich breaks down carbohydrates into glucose.
Wiki User
∙ 14y ago
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