Is Luca Prokaryotic Or Eukaryotic?

Is Luca Prokaryotic Or Eukaryotic? LUCA does not appear to have been a simple, primitive, hyperthermophilic prokaryote but rather a complex community of protoeukaryotes with a RNA genome, adapted to a broad range of moderate temperatures, genetically redundant, morphologically and metabolically diverse. What is LUCA cell? Scientists might have found the common ancestor that unites