Assertion: nucleus | /r/LocatedNear | double membrane
Facets:
value: with pores
type: OTHER
Source sentences:
text: It is surrounded by a double membrane that controls what passes in and out of the nucleus.
text: A cell nucleus is surrounded by a double membrane, known as the nuclear envelope.
text: The nucleus is surrounded by a double membrane (commonly referred to as a nuclear membrane or nuclear envelope), with pores that allow material to move in and out.