sidneyfreeman7389 sidneyfreeman7389

11-06-2017
Biology

contestada

Viruses contain dna or rna, but lack genes necessary for metabolism and reproduction. why are viruses not considered to be alive?

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kicklighterr kicklighterr

14-06-2017

Because they lack many of the properties that scientist associate with living organism. Primarily they lack the ability to reproduce without the aid of a host cell, and they don't use the typical cell division approach to replication

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