To investigate the effect of surface area on the rate of reaction using the enzyme Catalase, found in potato, and the substrate Hydrogen Peroxide.
INTRODUCTION
Enzymes are biological catalysts that speed up chemical reactions, without being used up or changed. Catalase is a globular protein molecule that is found in all living cells. A globular protein is a protein with its molecules curled up into a 'ball' shape. All enzymes have an active site. This is where another molecule(s) can bind with the enzyme. This molecule is known as the substrate. When the substrate binds with the enzyme, …
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…initial rate of reaction. For both methods you have to first display the results in a graph with time on the x-axis and total volume of oxygen collected on the y-axis. Once this is done, you can either, calculate the slope of a tangent to the curve as close to time 0 as possible. Or the simplest way is to read off the graph the amount of oxygen released in the first 30 seconds of the reaction.
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