Question

Write a short note on Nucleus.

Answer 1

Nucleus:

The nucleus has referred an organelle consisting of genetic information and guides other organelles for cellular processes.

Parts of the nucleus:

The nucleus consists of four parts as below

1. Nuclear membrane
2. Nuclear sap or nucleoplasm
3. Nucleolus
4. Chromosomes

Structure:

Function:

1. It retains genetic information in form of DNA & RNA.
2. Synthesis of new DNA occurs in the nucleus which is required for cell division.
3. Stimulates the synthesis of proteins through the manufacturing of RNA
4. it contains the Nucleolus which serves as the site of the ribosome synthesis
5. It allows the transport of only selective particles and molecules through nuclear pores.