Prokaryotic+Cells

Prokaryotes are cingle-celled organisms such as bacteria, that use any cell functions as their complete bodily functions. Most prokayrotes are too small to be seen by the unaided eye. What sets prokaryotes apart from Eukaryotes is the lack of a nuclear membrane or any sort of nucleus to hold the prokaryote's DNA or RNA structure. Prokaryotes such as bacteria, seen below, can be helpful to humans, being used in food and vaccines, or they can cause disease.