Lab Release of Heat in an Enzymatic Reaction (Catalase)

Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
Lab Release of Heat in an Enzymatic Reaction (Catalase)
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Biology Lab: Release of Heat in an Enzymatic Reaction

Suitable for Biology students in grades 9-12.


Enzymes are required inside living cells to speed up chemical reactions. In this lab you will be measuring the amount of heat released as hydrogen peroxide is broken down into water and oxygen by the catalase in living cells.

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. Within cells, hydrogen peroxide is thought to be formed continually as an end product of biochemical reactions such as cellular respiration. Because it is toxic, or poisonous, it would soon kill the cell if it were not removed or broken down immediately.

PLEASE NOTE: This product is also available in two bundled products:
Enzymes, Catalysts and the Chemical Reactions of the Cell
Biochemistry Bundled Unit Plan


Materials List:
• Liver homogenate
• 25 x 200 test tube
• 3% hydrogen peroxide solution
• 600 mL beaker
• Thermometer
• Insulating material (packing peanuts, styrofoam, sand)
• Graph paper
• Stopwatch

Your 8 page download will include: Introduction, Materials, Procedure, Follow Up Questions, Student Data Pages, Answers, and Teacher Preparation Notes. You will receive both a pdf version and a Word document so that you can make changes if you wish.

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Total Pages
8 pages
Answer Key
Included
Teaching Duration
90 minutes
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