Which of the following describes an organelle that both prokaryotic and eukaryotic cells have in common?. . -This organelle contains the cell's DNA and is where DNA replication occurs.. . -This organelle is composed of a stack of membrane sacs where proteins are modified and stored.. . -This organelle extracts energy stored in glucose molecules to power cell functions.. . -This organelle is composed of protein and RNA and is used to make proteins for the cell.