What makes the genome of a virus special /different from cells ?

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Were you able to observe the nucleolus in any of the cells if so which ones