TEM E.Coli

TEM E.Coli

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Caption: False colour transmission electron micrograph of the bacterium Escherichia coli, a normal member of human intestinal flora. Under certain conditions it becomes harmful, causing infection in the intestinal or urinogenital tracts. The micrograph shows the bacterium dividing into 2 daughter cells by the process of binary fission. The red areas highlight the nucleic acid or DNA, which carries the genetic information. The DNA lies in the bacterial cytoplasm & is not bound by a separate membrane. As experimental laboratory organisms, E. coli bacteria have played a major role in the development of genetic engineering. Mag: x26,775 at 10cm tall. Microcosmos P.96 fig.5.16.

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Keywords: bacteria, bacterial, bacteriology, bacterium, binary fission, cell division, e. coli, electron micrograph, escherichia coli, micro-organisms, microbe, microbes, microbiology, tem, transmission

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