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The electric spark theory of life states

that living organisms were created when

electric sparks generated amino acids

and sugar from an atmosphere filled with

volcanic clouds,hydrogen,methane and

ammonia.Over time,organic molecules

were able to build and become more

complex.Eventually,life forms came into existence.

Amino acid

During the Urey-Miller experiment,amino acids were found.Amino acid can be combined to form proteins which form cellular structures.Amino acids are not only on earth they also are found in space.Meteorites,comets,and asteroids have had samples of amino acid.

Electric Spark Theory of life

By Corey,DeUndra,Janay,and Shane

Harold Urey

Urey-Miller experiment

Stanley Miller

Urey-Miller experiment (cont)

Miller never analyzed his results.Jeffrey Bada,Miller's former student analyzed the results using modern technology.Bada found 23 amino acids and 4 amines.Both are organic molecules.

In 1953,Harold Urey and Stanley Miller conducted an experiment intended to mimic the primodial conditions that first created amino acids.They mix gases with a lightning-like electric discharge.Years later,Miller did the experiment again and use hydrogen sulfide,a gas that comes from

volcanoes.

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