What are the functions of nuclear membrane?

Dear student,

Nuclear membrane is the double membrane surrounding the nucleus within a cell.
The nuclear membrane is the same thing as the nuclear envelope.
It keeps the contents of the nucleus separate from the rest of the cell. 
Nuclear membrane shields the nucleus with a double membrane by many pores that help in controlling the crossing of macromolecules such as proteins and RNA and permit free passage of water, ions, ATP and small molecules. The membrane controls the flow of information in the cell as it is conducted by the macromolecules.

Regards.

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