Enzyme Lab: Release of Heat in an Enzymatic Reaction

Enzyme Lab:  Release of Heat in an Enzymatic Reaction
Enzyme Lab:  Release of Heat in an Enzymatic Reaction
Enzyme Lab:  Release of Heat in an Enzymatic Reaction
Enzyme Lab:  Release of Heat in an Enzymatic Reaction
Enzyme Lab:  Release of Heat in an Enzymatic Reaction
Enzyme Lab:  Release of Heat in an Enzymatic Reaction
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Product Description

Students are given the task of measuring the amount of heat released in an enzymatic reaction. Students will record the temperature every 30 seconds as the enzyme catalase speeds along the breakdown of hydrogen peroxide into water and oxygen.

Students will be collecting data, graphing the data, and completing a set of critical-thinking analysis questions.

Make your biology class more appealing and exciting by incorporating a variety of fun and interesting labs into your weekly lesson plans. This inquiry-based lab allows students to discover basic information about the functioning of enzymes within cells. Enzymes are biological catalysts that speed up the chemical reactions within cells. Without the aid of enzymes, the chemical reactions of the body would proceed so slow that the reaction would be of no use to the cell.

Suitable for Biology students in grades 9-12.

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, it would soon kill the cell if it were not removed or broken down immediately.

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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