Question

Dense fibrous complex lying adjacent to inner membrane of nuclear envelope is

A

Chromatin

B

Fibrous lamina

C

Nuclear lamina

D

Both B and C.

Medium

Solution

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Correct option is D)

  • The nuclear membrane or karyotheca is a double membrane having pores at intervals.
  • The nuclear membrane on its inside has a supporting membrane called the nuclear lamina or the fibrous lamina having a uniform thickness.
  • It is a dense network of fibres present inside the nucleus of cells and are made up of intermediate filaments and membrane-associated proteins.
  • It provides mechanical support to the nucleus and also regulates DNA replication and cell division 
  • So, the correct answer is 'Both B and C.'

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