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Which of the following statements is true w.r.t nuclear membranes? 

Option: 1

Inner membrane is continuous with the endoplasmic reticulum


Option: 2

Inner membrane is continuous with the ribosomes 


Option: 3

Outer membrane is continuous with the endoplasmic reticulum


Option: 4

Outer membrane is continuous with the plasma membrane 


Answers (1)

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The Nucleus

  • The nucleus is the most prominent and important membrane bound organelle of the eukaryotic cell. 

  • It is referred to as the brain of the cell because it contains the DNA which is responsible for carrying the information of various functions of the cell. 

  • It was discovered by Robert Brown in 1831. 

 

The structure of the nucleus shows the following details :

 

The Nuclear Envelope

  • The nucleus is bound by a double-layered nuclear membrane that encloses the inner contents of the nucleus.

  • The outer membrane is in continuity with the rough endoplasmic reticulum. 

  • The inner membrane is directly in contact with the nucleoplasm. 

  • Between the outer and inner membrane, there is a space called perinuclear space which also continues with the lumen of the endoplasmic reticulum. 

 

The nucleus is bound by a double-layered nuclear membrane that encloses the inner contents of the nucleus. The outer membrane is in continuity with the rough endoplasmic reticulum. The inner membrane is directly in contact with the nucleoplasm.

 

 

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Deependra Verma

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