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The Physiology of Exercise
Skeletal muscle exercise expends the stored energy of adenosine triphosphate (ATP) derived initially from the oxidation of glucose. Since most regeneration of ATP for prolonged activity is achieved directly from the oxidation of glucose brought to th...(more details) |
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The Isolation and Growth of Bacteria
This experiment shows the isolation of Escherichia coli and subsequent growth of the bacterium in pure culture. Both to protect those in contact with the bacterium from infection and to prevent contamination by unwanted microorganisms, great care mus...(more details) |
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An Investigation of Active Transport
A great deal of research is being carried out on the mechanism of the "sodium pump" which maintains the differences across cell membranes of a relatively high concentration of potassium ions and a very low concentration of sodium ions inside the cell...(more details) |
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Inheritance in a Fungus
This program illustrates the experimental techniques involved in the genetic analysis of an ascospore color mutant in Sordaria. Two self-sterile but interbreeding strains are used. Mutations are induced by ultraviolet irradiation which result in the ...(more details) |
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The Isolation and Metabolism of Mitochondria
The first part of the program demonstrates the isolation of mitochondria in a sample of minced homogenized liver from a freshly-killed rat. The experiment demonstrates the crucial conditions of homogenization and the subjection of the homogenate to s...(more details) |
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