What are $4$ examples of prokaryotic cells?

Prokaryotic cells:

1. Prokaryotic cells are the most primitive and incomplete cells.
2. They are $1-10$ mm in size.
3. They lack the nuclear membrane around the nucleus.
4. Nucleoid is the undefined nuclear region in prokaryotes.
5. This is an irregularly-shaped section of a prokaryotic cell where DNA is housed.
6. They lack membrane-bound organelles.

Examples of Prokaryotic cells:

1. Escherichia coli bacterium
2. Streptococcus bacterium
3. Streptomyces soil bacteria
4. Archea