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This miniprogram was designed to give students a basic understanding of enzyme kinetics. In the first experiment in this series, students prepare an extract from wheat germ. They then determined the initial velocity (Vo) of the reaction catalyzed by purified acid phosphatase and by the acid phosphatase activity present in the extract. From these data, they estimate the amount of the enzyme that is present in the wheat germ. In the second experiment, the student examines the effects of substrate concentration on the reaction velocity. Data are analyzed using Michaelis-Menton and Lineweaver-Burk plots and students calculate values of Vmax and Km. The series can be completed in two 2-3 hour laboratory sessions and requires a colorimeter or spectrophotometer and a table-top centrifuge.

Cat. No. Description Price
IND-14.

Includes instructions, wheat germ, acid phosphatase, extraction buffer, acid phosphatase substrate, substrate dilution buffer, nitrophenol standards, small transfer pipets and large transfer pipets.

 $72.38
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Last modified: 10/02/07