Assertion: nucleus's structure | /r/HasProperty | enclosed by lipid membranes
Facets:
Source sentences:
text: Prokaryotes are not as structurally complex as eukaryotes, and were once thought not to have any internal structures enclosed by lipid membranes.
text: They were thought to have no internal structures enclosed by lipid membranes.
text: They were thought to have no internal structures enclosed by lipid membranes.