([lemma=difference] [□])? □ □ □
([lemma=difference] [□=□])? □ □ □
([lemma=difference] [□ & □])? □ □ □
There are plenty of differences between gene regulation in eukaryotes and prokaryotes as well . All metabolic pathways in eukaryote and prokaryote cells involve biochemical reactions catalysed by proteins ( enzymatic function ) .