What happens if a cell is unable to get rid of its waste?

If a cell is unable to rid of its waste, then most likely it is filled with dangers. It is possible for the waste to damage the cell or even kill it. If the waste cannot get rid, then the cell will not be able to maintain a stable internal environment among the cell. 

The cell will not be able to maintain a stable internal environment.

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.

C) to ensure each new cell has an exact copy of the dna