8th - 11th Grade
FREE Biology lab on enzymes. The title is "Catalase: An Enzyme Common to Both Plants and Animals." Students will compare and contrast the action of enzymes to that of catalysts.
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Catalase is an enzyme that is commonly found in plant and animal tissues. The function of the enzyme catalase is to break down the chemical hydrogen peroxide inside living cells. Because it is toxic, or poisonous, hydrogen peroxide would soon kill the cell if it were not removed or broken down immediately.
In this lab, the enzyme catalase will be compared to the catalyst manganese dioxide. Catalysts are similar to enzymes in that they speed up chemical reactions, but they are not specific for just one reaction.
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NOTE: This product is found in the following bundled products:
Biology Labs: 15 Must Do Labs for a Biology Class
Enzymes, Catalysts and the Chemical Reactions of the Cell
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Materials needed: Fresh plant and animal tissue, Test tubes and racks, Boiled animal tissues, Manganese dioxide, 3% hydrogen peroxide solution, Sand, Mortar and pestle
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