M. WURTZ / BIOZENTRUM, UNIVERSITY OF BASEL / SCIENCE PHOTO LIBRARY M. WURTZ / BIOZENTRUM, UNIVERSITY OF BASEL / SCIENCE PHOTO LIBRARY
False-colour transmisson electron micrograph of a section through the bacterium Escherichia coli. The nuclear material (DNA) appears as pale fibrils within the two blue patches. E. coli is a well- studied bacterium used in genetic research. Magnification: x27,500 at 6x4.5cm size.
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