Which is a characteristic of a virus, but not a bacterium?

Bacteria are single-celled, prokaryotic microorganisms. They can be either "good" or "bad" for the health of plants, humans, and other animals that come into contact with them. A virus is acellular (has no cell structure) and requires a living host to survive. and causes illness in its host.

Aneutral atom must have the same number of neutrons and protons? no, they must have the same number of protons and electrons