Biology, asked by reema45, 1 year ago

write a short note on structure of a nucleus and its function briefly

Answers

Answered by chawla12
4
☆▪Nucleus is also called karyon.

☆▪Nucleus was discovered by robert brown.

☆▪It is a important structure present with in a cell and it controls all the activities of the cell.

☆▪it may be irrugular or spherical in shape.

☆▪in animal cell it is present in centre but in plant cell due to the presence of a large vacuole it is pushed to the cell memberane.

☆▪nucleus is enclosed in a double memberane called nuclear memberane.

☆▪nuclear memberane posses a large number of pores called nuclear pores.

☆▪nucleus is filled with a gel like substance called nucleoplasam.

☆▪the nucleoplasam comtains nucleoli amd chromatin network.

☆▪chromatin network become prominent during cell divisionnow called chromosomes.

☆▪chromosomes are made up of DNA and protein.


☆▪
DNA plays an important role in inheritance of characters from parents to offspring and also controls cell activities.

reema45: Thanks a lot chawla
chawla12: welcome ant it is neha
reema45: oh sorry neha
reema45: but thank u
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