Question

what is nucleus . and write uts function also.​

Answer 1

Answer:

The nucleus is a spherical-shaped organelle that is present in every eukaryotic cell. The Nucleus is the control centre of eukaryotic cells. It is also responsible for the coordination of genes and gene expression. The structure of the nucleus includes nuclear membrane, chromosomes, nucleoplasm, and nucleolus.

Explanation:

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Answer 2

Answer:

1) nucleus is a small spherical mass present in the centre of the cytoplasm

2) it has surrounding membrane called nuclear membrane

3) nuclear membrane is filled with the dense nucleoplasm

4) it contains certain thread - like structure called chromatin fibres.

5) During , division these fibres become thick and are called chromosomes

6) chromosomes carry genes which contain hereditary information in each cell

It functions :

It plays an important role in cell division . It also contains hereditary information of an organism in genes

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