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Question

A conspicuous rounded body present in nucleoplasm and attached to a particular chromosome at definite place is
  1. Plasmid
  2. Karyolymph
  3. Nuclear reticulum
  4. Nucleolus

A
Karyolymph
B
Nucleolus
C
Nuclear reticulum
D
Plasmid
Solution
Verified by Toppr

  • A conspicuous rounded body present in the nucleoplasm and attached to a particular chromosome at a definite place is nucleolus.
  • It is a small, dense and spherical structure present in the nucleus of the cell that is visible during the interphase of the cell division under the microscope.
  • This region is dense due to the presence of proteins, DNA and RNA which are formed from specific chromosomal regions called nucleolar organizing regions.
  • So, the correct answer is 'Nucleolus'.

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