9 Prokaryotic cells also feature various external structures that enhance their functionality. The cell wall provides structural support and protection, while the capsule, found in some bacteria, ...

Cell membrane, surrounded by cell wall. Cell contents Cytoplasm ... plasmids are found in a few simple eukaryotic organisms. Prokaryotic cell DNA is a single molecule, found free in the cytoplasm ...

Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique ...