Eukaryotic Cell: Diagram , Definition, Structure & Examples Eukaryotic cells have a nucleus, membrane-bound organelles, including mitochondria and endoplasmic reticulum, and are found in multicellular organisms. Eukaryotic cell has been briefly discussed here. Learn about the eukaryotic cell . Get the definition, labeled diagram , list of organelles, functions, and interesting facts. Learn what eukaryotic cells are, how they differ from prokaryotic cells, and what organelles they contain. See a diagram of eukaryotic cell structure and function, and get examples of eukaryotic cells in biology. Get animal cell facts, including a labeled cell diagram , a list of organelles and their functions, and a summary of animal cell types.