short notes on nucleus
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Nucleus is centrally located structure found in an atom...
It consists protons and neutrons
About mass of an atom lies in nucleus of that atom
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Nucleus was discovered by Robert Brown in 1831.Nucleus is the metabolic centre of eukaryotes and for prokaryotes it is the genophore.Nucleus is the dynamic centre of the cell.
Nucleus is also designated as the 'Director of the cell'.It is the largest organelle in a eukaryotic cell.
The study of nucleus is called Karyology.
Nucleus consists of
a)Nuclear membrane
b) Nucleoplasm or Karyoplasm.
c)Nucleolus
d)Chromatin reticulum or Nuclear reticulum
Nuclear membrane is double membraned .It is porous containing nuclear pores.It provides selective continuity between nuclear and cytoplasmic materials.
Nucleus regulates growth and reproduction of cell.