What are viruses, viroids, and prions?

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    substances that can cause disease only after entering a host cell and taking over the nuclear machinery
    nonliving, infectious agents or pathogens that can cause disease in organisms
    small sequences of nucleotides or amino acids that are devoid of their own cell membrane
    all of the above

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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all of the above
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



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