Which is the best definition of a prokaryotic cell?

Which is the best definition of a prokaryotic cell?

A) It has a cell wall but lacks a well-defined nucleus and organelles , and its cytoplasm doesn’t have much structure

B) It contains a membrane-bound nucleus and organelles , and its organelles has specialized duties

C) It contains a membrane-bound nucleus , a large central vacuole , a cell wall , a cell membrane , and chloroplasts