Question

What is a nuclear membrane or envelope in a nucleus ?​

Answer 1

A nuclear membrane is a double membrane that encloses the cell nucleus. It serves to separate the chromosomes from the rest of the cell. The nuclear membrane includes an array of small holes or pores that permit the passage of certain materials, such as nucleic acids and proteins, between the nucleus and cytoplasm.

Answer 2

Answer:

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Nuclear membrane or envelope : It is the outer cover of the nucleus, which is selectively permeable. It separates the nucleoplasm of nucleus with cytoplasm. It is double layered and has pores called nucleus pores. Through which materials are exchanged between the nucleoplasm and cytoplasm of the cell.