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(C) The nuclear envelope consists of two parallel membranes with a space between them called the perinuclear space. The outer membrane is continuous w

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Nucleocytoplasmic exchange of materials

Vedclass · Answer

(C) The nuclear envelope consists of two parallel membranes with a space between them called the perinuclear space. The outer membrane is continuous with the rough endoplasmic reticulum and bears ribosomes on it. At a number of places,the nuclear envelope is interrupted by minute pores,which are formed by the fusion of its two membranes. These nuclear pores are the passages through which movement of $RNA$ and protein molecules takes place in both directions between the nucleus and the cytoplasm. Thus,the nuclear envelope facilitates the nucleocytoplasmic exchange of materials.

The structure of the nuclear envelope is helpful in ...... .

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