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The top documents tagged [effect of viruses]
Sess07 3 khamassy n., ilahy r. & boukhris bouhachem s. - potato yield variation as affected by virus seed degeneration and growth conditions in tunisia
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Viruses. If you've ever had the flu or chicken pox or even the common cold, then you have been a perfect host for a virus. Viruses cannot survive on their
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Introduction to the Viruses:
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Introduction to the Viruses: General properties of viruses: 1-They are very small in size, from 20-300 m. 2-They contain one kind of nucleic acid (RNA
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