EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY
Bacteria. Coloured scanning electron micrograph (SEM) of bacteria (orange) growing in a toilet. The sample includes enterobacteria, bacteria that normally reside harmlessly in the gut, but which can cause disease under certain conditions. The bacteria in the toilet thrive in the presence of organic components contained in urine. Magnification: x2470 at 6x6cm size.
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