Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes.
Viruses include the tobacco mosaic virus.
Tobacco mosaic is not a cell.
What is not a cell?
Options:
1: an object
2: eukaryote
3: bacteria
4: layers of fat
5: They may not survive.
6: chlorofluorocarbons
7: Tobacco mosiac
8: prokaryote