Question

which of the following characteristics would be used to classify an unknown microbe as a virus? if it - contains dna. has a protein coat. has a cell wall. is a pathogen.

Explanation:

Viruses are composed of genetic material (DNA or RNA) surrounded by a protein coat. Many other microbes can contain DNA, have cell - walls, or be pathogens. But the protein - coat surrounding genetic material is a key characteristic of viruses.

Answer:

has a protein coat.