virus ( a virus can change our life )

very small organism can;t see through naked eyes obligate parasite( dependent on living organism( animal, human, plants, bacteria …etc) other for its life Acellular( has no cell) made by protein found presence of DNA/RNA What is meaning of word “VIRUS” means poison. In 1892, D. Ivanovsky had identify virus from tobacco leaves and he had given name to it, T…

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