The only cell component seen in a prokaryotic cell is ________.
Ribosomes
Prokaryotes do not have membrane-bound organelles. This would count out organelles such as Mitochondria, Plastids and Lysosomes, as they are all membrane-bound organelles. Ribosomes, which are not membrane-bound organelles. They serve the prokaryotic cells just like eukaryotic cells- by producing the required proteins.