Question

what is nucleus and what is its function ?

Answer 1

✴$\underline\bold{Nucleus:-}$

• Nucleus is a major centrally located spherical cellular component.

• It has a double layer covering called $\bold{nuclear\:membrane}$.

• It is called the brain of the cell.

• Nucleus contains chromosomes rod-shape structures which contain information for the inheritance of characters from parents to next generation in the form of DNA (Deoxy Ribonucleic Acid).

✴$\underline\bold{Functions\:of\:Nucelus:-}$

• Nucleus plays a central role in cellular reproduction.

• The process by which a cell divides and forms two new cells.

• It plays an important role in deciding the way the cell develop and what form it will exhibit at maturity.

• It is known as the brain of the cell which controls all the cell activities.

Answer 2

Answer:

Nucleus : The nucleus is the most conspicuous and the largest organelle of a eukaryotic cell. It is the control room of a cell. It is is the most essential part of a cell which directs and controls all the cellular activities.

Functions :

• controls all metabolic activities of the cell.
• if nucleus is removed, the protoplasm will dry up and die.
• regulates cell division.
• related to transmission of hereditary characters from plants to offsprings.
• takes part in the formation of ribosomes.

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Know more:

※ The nucleus consists of :-

1. Nuclear envelope
2. Nuclear sap
3. Chromatin material
4. Nucleolus
5. Nuclear matrix

※ The outer membrane beard ribosomes on the cytoplasmic side.

※ The inner membrane is smooth.

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