Which best describes a cell process common to both projaryotic and eukaryotic cells?

All prokaryotes and eukaryotes have nucleic acid as the genetic material which stores the hereditary information.

Explanation:

Both eukaryotes and prokaryotes have cell membrane, ribosomes and cytoplasm in their cell. All the prokaryotes and eukaryotes undergo reproduction however, the process might be different. The reproduction can be sexual or asexual.

The size of the prokaryotes and the eukaryotes vary and also the prokaryotes lack well defined nucleus and the eukaryotes have well defined nucleus and the genetic material is stored inside it.