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E. coli on a Petri Plate | by adonofrio (
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E. coli on a Petri Plate

A Petri Plate with E. coli growing. The plate is specifically an EMB (Eosin Y Methylene Blue) plate which is selective for Gram Negative bacteria and gives E. coli the characteristic metallic green sheen that can be seen.



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Taken on October 22, 2011