Which of these structures can be found in eukaryotes, but not in prokaryotes?

The mitochondrion is the structures found in eukaryotes but not found in prokaryotes. It is known as the powerhouse of the cell, the function of these structure acts like a digestive system, it generates large quantities of energy in the form of adenosine triphosphate. It is found in the cytoplasm of eukaryotic cells.