You are presented with the question "what do viruses often infect?" and the following answer choices: 
- prokaryotes
 - mammals
 - dead h2o particles
 - volume
 - insects
 - A computer
 - the skin
 - clouds

Now knowing that viruses often infect bacteria and bacteria are prokaryotes because they lack a clearly defined nucleus and sub-cellular organelles, choose the best answer.


 

 prokaryotes        