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Factors that Affect Enzyme Reactivity.
Member rating: No Rating | Words: | Submitted: Wed Oct 01 2003
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Factors that Affect Enzyme Reactivity. Hydrogen peroxide (H2O2) is a highly active chemical, often used for bleaching. It is sold as a 3% solution in water. Within cells, hydrogen peroxide is formed continually as a by-product of biochemical processes. Because H2O2 is toxic (poisonous) to cells, it would soon kill them if not immediately removed or broken down. In this investigation you will observe the activity of a substance that breaks down hydrogen peroxide. The substance is an enzyme, catalase, an organic compound. Materials: 3 pieces 6mm diameter liver 10 test tubes Fresh potato 10ml graduate 100 ml 3% H2O2 solution beaker scalpel Fine sand (Only to help in grinding. Sand is not otherwise involved in the experiment.) forceps Test tube rack Mortar and pestle Hot plate Glass marking pencil Write a background statement about enzymes based on our discussions, reading, and worksheet. Read the introduction, procedure steps 1-5 and study the materials. Answer the following questions. 1. What's the substrate? 2. What are the the products of the...
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