Which description is true about eukaryotes but not prokaryotes

Eukaryotes are the organism that posses the nucleus in their cell which is the main difference, that gives these cells its name, which is a lack in the prokaryote organisms.

Their many other differences also present that distinct both types of organisms. Eukaryotes contain double membrane-bound organelles such as endoplasmic reticulum, Golgi apparatus, mitochondria, chloroplasts etc. Eukaryotic cells have 80s ribosome which different in the prokaryotes and other differences.

Eukaryotes have a nucleus, prokaryotes do not. While you did not supply descriptions, this is one of the basic and most obvious difference.