Bacteria vs Virus Diffen › Science › Biology › Molecular Biology Bacteria (singular: bacterium) are HUGE unicellular microorganisms. They are typically a few micrometers long and have many shapes including curved rods, spheres, rods, and spirals. Viruses (from the Latin noun virus, meaning toxin or poison) is a sub-microscopic particle (ranging in size from 20–300 nm) that can infect the cells of a biological organism.
Posted on: Sat, 15 Jun 2013 12:39:41 +0000
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