Eukaryotic cells are defined by a complex structure with membranous organelles, including the nucleus surrounded by a nuclear membrane.
Eukaryotic cells are characterized by a complex structure with various membranous organelles like the endoplasmic reticulum and Golgi apparatus. The presence of a membrane-bound nucleus differentiates eukaryotic cells from prokaryotic ones. The nucleus is surrounded by a complex nuclear membrane, reflecting the defining feature of eukaryotic cells.
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