12. Some viruses attack cells by inserting their own DNA into the host cells’ DNA. Why might it be simpler for these viruses to attack prokaryotic cells than eukaryotic cells A. Prokaryotic cells have less DNA than eukaryotic cells. * B. 
The cell wall in prokaryotic cells is a less effective barrier.
* C. 
The rapid growth of prokaryotic cells generates more viruses.
* D. 
Unlike eukaryotic cells, prokaryotic cells do not have a nucleus.