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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.
Materials: Liver homogenate, 25 x 200 test tube, 3% hydrogen peroxide solution, 600 mL beaker, Thermometer, Insulating material, 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.
NOTE: This product is also available in a bundled product called Enzymes, Catalysts and the Chemical Reactions of the Cell
NOTE: This product is included in my Biochemistry Complete Unit Plan Bundle which can be viewed here: Biochemistry Bundled Unit Plan
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Amy Brown - Science Stuff
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.
Materials: Liver homogenate, 25 x 200 test tube, 3% hydrogen peroxide solution, 600 mL beaker, Thermometer, Insulating material, 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.
NOTE: This product is also available in a bundled product called Enzymes, Catalysts and the Chemical Reactions of the Cell
NOTE: This product is included in my Biochemistry Complete Unit Plan Bundle which can be viewed here: Biochemistry Bundled Unit Plan
You might also be interested in the following:
Enzymes, Catalysts and Chemical Reactions PowerPoint and Notes for Teacher and Student
Enzymes and Catalysts Homework / Study Guide
Biochemistry: Complete Bundled Unit Plan of 14 products
The Chemistry of Biology Powerpoint and Notes
Biochemistry crossword puzzle
Test: The Chemistry of Life (Biochemistry)
Enzymes, Catalysts and Chemical Reactions Crossword Puzzle
Enzymes and Chemical Reactions Graphing and Critical Thinking Worksheet
Enzymes and Catalysts Quiz / Test
Enzymes and Catalysts: Jeopardy Review Game
Amy Brown - Science Stuff
Grade Level(s):
Teaching Duration:
90 Minutes
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Answer Key:
Included
# of Pages/Slides:
8
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