Question

what is cell . difine briefly. whith an example of cell​

Answer 1

Answer:

In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell. The nucleus is a structure inside the cell that contains the nucleolus and most of the cell’s DNA. It is also where most RNA is made. The cytoplasm is the fluid inside the cell. It contains other tiny cell parts that have specific functions, including the Golgi complex, the mitochondria, and the endoplasmic reticulum. The cytoplasm is where most chemical reactions take place and where most proteins are made. The human body has more than 30 trillion cells.

Explanation:

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Answer 2

• A cell is a membrane-bound unit that contains the basic components of life and is the building block of all living entities.
• A bacteria or yeast is an example of a single cell that is a complete creature in and of itself.
• As cells become older, they have specific roles.
• Despite the fact that cells are far larger than atoms, they are still tiny.

• Some of these single-celled creatures are spheres as small as 0.2 m in diameter (1 m = roughly 0.000039 inch), with a total mass of 1014 gram—equivalent to 8,000,000,000 hydrogen atoms.
• Human cells are approximately 400,000 times larger than a single mycoplasma bacteria, although they are only around 20 meters wide.
• To cover the head of a pin, a sheet of 10,000 human cells would be needed, while each human organism is made up of about 30,000,000,000,000 cells.