Question

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what is nucleus ?



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Answer 1

Answer:

Biological definition :-

Nucleus is an information centre of cell and it is surrounded by a Nucleus membrane in all eukaryotic cell.

A cell generally consists only one Nucleus

Chemical definition :-

Nucleus is a collection of all protons which are positively charged and neutrons which are electrically neutral

Answer 2

Answer:

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A nucleus is a membrane-bound organelle that contains the cell's chromosomes. Pores in the nuclear membrane allow for the passage of molecules in and out of the nucleus.

structures :-

The nucleus is composed of various structures namely nuclear envelope, nucleoplasm or nucleus sap nuclear matrix, chromatin and nucleolus. The nuclear membrane forms an envelope like structure around the nuclear contents and is commonly known as a nuclear envelope.

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