This is the host (organism) and the cell is called the host cell.
That depends. All viruses have a marker that binds to a specific site on a cell. For example, HIV virus will only be infectious to humans because only humans possess a cell with the correct binding sites.
FU
depends on the organism and type of cell
Mitochondria
Virus and viroids
a virus
virus
The answer to this question is a host! A host could be a host cell which a virus uses to reproduce and create more viruses to get you sick!
A virus will replicate within a host cell.
A single celled organism is called unicellular.
The collective reactions within a cell or organism are called metabolism.
A virus.