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Biology, 18.11.2019 01:31 corlissquillen13

Tobject]user: which of the following is true about viruses?
a. a virus must enter a living cell to make copies of itself.
b. no virus is harmful to the cell it infects.
c. no virus contains dna or rna.
d. a virus is a type of primitive bacteria cell.

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Tobject]user: which of the following is true about viruses?
a. a virus must enter a living...
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