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Eukaryotic cells differ from prokaryotic cells by their more complex intracellular organization. In eukaryotes, specific cellular functions are compartmentalized into the cell nucleus and organelles surrounded by intracellular membranes. This compartmentalization vastly improves the efficiency of many cellular functions and prevents potentially dangerous molecules from roaming freely within the cell.
Advanced information. NobelPrize.org. Nobel Media AB 2018. https://www.nobelprize.org/prizes/medicine/2013/advanced-information/