Virus
A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades a living cell and uses its chemical machinery to keep itself alive and to replicate itself.
Dictionary
Copyright 2011 EFPIA
A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades a living cell and uses its chemical machinery to keep itself alive and to replicate itself.
Copyright 2011 EFPIA
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