Question

What is nucleus
And what is cell wall and membrane

Answer 1

nucleus is the centre and most important part of an object and movement .

cell wall is the outermost layer of the plant. In plants cell wall is made up of mostly cellulose.

cell membrane is semipermeable membrane surrounding the cytoplasm of a cell

I hope it will help you
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Answer 2

Okay.

Nucleus is the boss of the cell... If you wanna understand it properly let us suppose you own a company and there are thousands of workers under you and you are the one who tells them what to do and also pay them.. in this way you are the nucleus of your company.

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Cell wall:- Cell wall is a protective covering around only plant cells and not around animal cells. Cell wall is made up of cellulose, hemicellulose and pectin. It gives rigidity to the cell and maintain its shape. Let's understand it more clearly........ Let us suppose our country is a cell and the border line is the cell wall which provides our country a specific shape and differentiate it from other countries (cells)....

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Cell membrane:- Cell membrane is the outermost layer in the case of animal cells. This doesn't mean that it is absent in plant cells. It is the layer which comes after cell wall in plant cells. It plays same role in animal cells which cell wall plays in plant cells.

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I hope this helped you a bit