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Search words: Enzyme, catalyst, substrate, hydrogen peroxide, peroxisome, lab lesson plan.
NOTE: This product is also available in a bundled product called Biology Labs: 15 Must Do Labs for a Biology Class .
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. Manganese dioxide is an inorganic catalyst. Catalysts are similar to enzymes in that they speed up chemical reactions, but they are not specific for just one reaction.
In this lab, students will observe the function of enzymes and will learn many facts about enzymes. They will observe the role of catalase inside living cells and will compare the enzyme catalase to the catalyst manganese dioxide.
Materials needed: Fresh plant and animal tissue, Test tubes and racks, Boiled animal tissues, Manganese dioxide, 3% hydrogen peroxide solution, Sand, Mortar and pestle
Your download will include Introduction, Materials, Procedure, Student Data Pages, Follow Up Questions, Answers, and Teacher Preparation Notes.
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Amy Smith - Science Stuff
You have the best lessons! Your “Catalase: An Enzyme Common to Both Plants and Animals” was the featured “Free Product of the Day” on “The Best of Teachers Pay Teachers.”
Keep on helping other teachers change students’ lives,
Victoria Leon
http://thebestofteacherspayteachers.blogspot.com/2011/08/free-science-lesson-catalase-enzyme.html
August 30, 2011
Well done--perfect for biology and any courses on digestion/nutrition. Easily conducted lab with a wealth of outcomes for students.
June 25, 2011
Very comprehensive and user friendly resource. Thanks very much
February 6, 2011
Thank you so much. My students really like this lab. I hope yours will too!
February 6, 2011
Gives you everything you need for this lab: Procedure and data recording sheets for student, teacher prep notes. And excellent lab.
December 30, 2010
Good biology lab. It is well structured and easy to follow.
January 12, 2009
I have been teaching for 27 years. I have taught Biology I, Honors Biology I, Chemistry, Honors Chemistry, Biology II, and AP Biology.
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