Like eukaryotes, prokaryotes are organisms that also have genetic information in the form of deoxyribonucleic acid (DNA). However, unlike eukaryotes, the genetic make-up of prokaryotes is not contained in a membrane-bound organelle nucleus, but rather in a region of the cell which is called the nucleoid. Aside from this, another DNA-containing structure can be seen inside the prokaryo... https://www.cd-genomics.com/microbioseq/what-are-prokaryotic-microorganisms-and-research-methods.html