Question

plz tell me , describe about the nucleus?

Answer 1

AnSwer :

★ $\bf{\underline{\underline{Nucleus\ :}}}$

※ It is the most important part in a cell. It is the largest organelle of a eukaryotic cell. It is only visible under light microscope. It is written that, it's fine structure has been revealed by electron microscope.

※ As we know, in animal cell, it is located in the center. But, in the plant cell, it is pushed to side due to the presence of large cell vacuole.

※ It contains the hereditary material for regulating cell activities as well as for transfer from one generation to another.

※ It consists of six components :-

• Karyotheca or Nuclear envelope
• Karyolymph or Nuclear sap
• Chromatin material
• Nucleolus
• Nuclear matrix

※ Functions of Nucleus :-

• All the metabolic activities are controlled by it.
• It brings the growth of the cell by directing the synthesis of structural proteins.
• It also plays the role in the formation of ribosomes.
• It regulates cell cycle.
• It contains genetic information in the form of genes which are located in the chromosomes and transfers hereditary characters from one generation to another.

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