Question

The nucleus is separated from surrounding cytoplasm by a nuclear envelope which is ______________.

A

Single and porous

B

Double and porous

C

Single and non-porous

D

Double and non-porous

Medium

Solution

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Correct option is B)

  • A nuclear membrane, also known as the nuclear envelope, is a double lipid bilayer membrane, which surrounds the nucleus containing genetic material and nucleolus in eukaryotic cells. 
  • The nuclear membrane consists of two lipid bilayers- the inner nuclear membrane and the outer nuclear membrane and consists of pores called nuclear pores for the transportation of DNA, RNA, and proteins. 
Thus, the correct answer is option B.

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