Action of catalase enzyme

Action of catalase enzyme

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Action of catalase enzyme. Hydrogen peroxide (H202) decomposition being accelerated by the catalase enzyme found in raw liver (liver seen at bottom of flask). An enzyme is a biological catalyst, increasing reaction rates without itself reacting or changing. The hydrogen peroxide is breaking down into oxygen (producing bubbles) and water. The equation for this reaction is: 2H202 ----> 2H20 + O2 Catalase (or hydrogen peroxide oxidoreductase) protects cells from the toxic effects of hydrogen peroxide, which is a powerful oxidizer produced as a biochemical byproduct. Peroxide is used as a bleach and as a reagent in the chemical industry.

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Keywords: biochemical, biochemistry, biological, biology, bubbles, bubbling, catalase, catalysis, catalyst, chemical, chemistry, conical flask, decomposition, demonstration, detoxification, detoxifying, enzyme, experiment, gas, hydrogen peroxide, liver, oxidoreductase, reacting, reaction, school

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