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Contact: Daniel Stolte
stolte@email.arizona.edu
520-626-4402
University of Arizona

A Bacteriophage

Caption: Bacteriophages come in different shapes and sizes. This one has a "head" containing the virus' DNA and a "tail" with which it attaches to bacterial cells when it infects them. The scale bar in this electron microscope image is about one thousandth the diameter of a human hair.

Credit: Natalie Solonenko

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