Answer:
has no nucleus; found in unicellular organisms
Step-by-step explanation:
Prokaryotic cells are primitive cells found in lower organisms. Prokaryotic cells do not have a true cell. 
- A true nucleus lacks an envelope which contains the nuclear materials. 
- Most of the organelles lacks membrane bound organelles. 
- The true nucleus is lacking in prokaryotes. 
Eukaryotic cells have true nucleus.