DR LINDA STANNARD, UCT / SCIENCE PHOTO LIBRARY DR LINDA STANNARD, UCT / SCIENCE PHOTO LIBRARY
Bacteriophage viruses. Coloured transmission electron micrograph (TEM) of a section through bacteriophages (yellow with long green tails) attached to two bacteria (green, lower right). Bacteriophages (phages) are viruses that infect bacterial cells. These phages have attached their tails to the bacteria in order to inject their genetic material (contained in their heads) into them. In common with all other viruses, they cannot reproduce by themselves. By injecting their genetic material, they compel the bacteria's own cellular apparatus to make more phages. Magnification unknown.
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