Which one of the following statements is a reason for not classifying viruses in one of the three domains of life (Bacteria, Archaea, and Eukarya)?

Question

Which one of the following statements is a reason for  not  classifying viruses in one of the three domains of life (Bacteria, Archaea, and Eukarya)?

Answer

Viruses are obligate parasites

Answer

Some viruses can incorporate their genome into a host's genome

Answer

Viruses direct anabolic pathways of host cells

Answer

Viruses are not composed of cells

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