What is the difference between prokaryotic and eukaryotic cells?
A. Eukaryotic cells do not have membrane-bound organelles, but prokaryotic cells do.
B. Organisms with eukaryotic cells are always multicellular, but organisms with prokaryotic cells are not.
C. Prokaryotic cells do not have a nucleus, but eukaryotic cells do.
D. Prokaryotic cells always have cell walls, but eukaryotic cells do not.