Verified Answer :

nucleus
They are simpler and smaller than eukaryotic cells, and lack membrane-bound organelles such as the nucleus. Prokaryotes include two of the domains of life, bacteria and archaea. The DNA of a prokaryotic cell consists of a single chromosome that is in direct contact with the cytoplasm. Hope this helps!

ARibosomes but Eukaryotic cells have bigger ribosomes and Prokaryatic have many ribosomes. But they both consist ribosomes.