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The nucleus boundary
publish date: 2026/06/15 06:28:26.385973 UTC
The nucleus is enclosed by a double-layered boundary that separates it from the cytoplasm.
The nucleus is bounded by the (1), which consists of two complete membranes similar in structure to the plasma membrane.
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nuclear membrane
nucleolar organizer
nucleoplasm
cell wall
Correct Answer
(1) nuclear membrane
Explanation
The nuclear membrane (also called the nuclear envelope) consists of two complete membranes and encloses the nucleus. It is perforated by many large pores that facilitate the passage of substances in and out of the nucleus.
Reference
Biology: A Self-Teaching Guide