Answer:
c. possess a nucleus.
Step-by-step explanation:
A eukaryotic cell may be unicellular or multicellular. Each cell possesses a well-defined or definite nucleus. Beside nucleus, each eukaryotic cell also has membrane-bound organelles such as mitochondria, chloroplasts, Golgi apparatus, endoplasmic reticulum. Ribosomes, a cell membrane, cytoplasm and DNA are present in all the prokaryotic and eukaryotic cells.