Sept3,2007 Problems with Miller's Spark-Discharge Experiment

Sept3,2007 Problems with Miller's Spark-Discharge...

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Unformatted text preview: John Nguyen September 3, 2007 BIO114Problem with Millers Spark-Discharge Experiment In 1953 a graduate student in biochemistry by the name of Stanley Miller conducted an experiment. The purpose of this experiment was to figure out the origins of life on the earth. The experiment is called Millers Spark-Discharge Experiment and it consists of an apparatus he built with boiling water, a vacuum, spark discharge, a condenser, and a trap. The water would basically cycle through the whole apparatus making an environment of earlier earth. For many years people have followed Millers experiment but there has been research done and though the experiment may seem very easy to follow and valid, there are a few problems that come with it. Stanley Miller used CO2, N2 and H2O as substitutes for methane, ammonia, and hydrogen in his experiment. With this, chemical evolution wasnt even present. The atmosphere in earlier Earth was also a reduced atmosphere and not a reducing atmosphere, it was just smaller...
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This note was uploaded on 03/31/2008 for the course BIO 114 taught by Professor Conley during the Fall '08 term at James Madison University.

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