virus

virus

A sub-microscopic, obligate intracellular parasite that replicates itself only within cells of living hosts; many are pathogenic; the structure of a virus is basically a strand of nucleic acid (DNA or RNA) wrapped in a thin protein shell. A virus is not a cell, and is "lifelike" only when replicating itself at the expense of the host cell.

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Parte de vorbire: substantiv
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Industrie/Domeniu: Natură
Categorie: Recife de corali
Organization: NOAA
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Radmila Vojinovic

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