VIRUS


VIRUS

Virus is a microscopic organism which cannot be seen, except with the aid of an electronic microscope. Well they not have a cell structure but are just made up of a coiled strand of nucleic acid enclosed within a protein coati virus seen as being on the borderline between living and nonliving things. When outside the living cells, it forms crystal and become non-living. But within the cell, it replicates (reproduces) and become living organisms 
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Ditulis oleh: Fedrick Theo - Monday 15 July 2013

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