You are presented with the question "Prokaryotes lack regions that do not code for proteins, while this type of living being has them:" and the following answer choices: 
- bioaerosols
 - layers of fat
 - orchids
 - animals
 - critical organs
 - sensory neurons
 - eukaryotes
 - it needs them

Now knowing that introns are regions that do not code for proteins and prokaryotes lack introns, whereas eukaryotes contain introns, choose the best answer.


 

       eukaryotes  