Science, asked by abhishek3750, 8 months ago

what is cell ? class 9th long answer please for 10 marks​

Answers

Answered by ayushsinghbhadouria
5

Answer:

read first page of this chapter

Answered by akshitasreenivasan
4

Answer:

Cell is the basic functional and structual  unit of life. Cell was first discovered by Robert Hooke. He observed a cork cell under a crude microscope and observed structures similar to that of a honeycomb. He named the structures as CELL. Robert Hooke observed a dead cell. But Antonie Van Leeuwenhoek observed a living cell. Cell is very small in size and cannot be seen with a normal microscope. Cells are of various shapes and sizes. The shape of a cell mainly depends upon its function. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cell consists of various organells. The main components of cell are plasma membrane (also known as cell membrane) , cytoplasm and nucleus. Nucleus is the brain of the cell i.e. it controls the cell.

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