* No Nucleus: Prokaryotes lack a true nucleus, their genetic material (DNA) is located in a region called the nucleoid, but it's not enclosed within a membrane.
* Fewer Organelles: Prokaryotes have fewer membrane-bound organelles compared to eukaryotic cells. They lack structures like mitochondria, Golgi apparatus, endoplasmic reticulum, and lysosomes.
* Smaller Size: Prokaryotic cells are generally much smaller than eukaryotic cells.
* Simpler Structure: The overall structure of a prokaryotic cell is less complex, with fewer internal compartments and specialized structures.
However, it's important to remember that "simple" doesn't mean "primitive." Prokaryotes are incredibly successful organisms, highly adaptable and diverse, and have been around for billions of years. Their simplicity allows for rapid reproduction and adaptation.