what is a cell????????????????
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- Cells are the basic building blocks of all living things. 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. ... Cells have many parts, each with a different function.
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Cells are the basic unit of life. In the modern world, they are the smallest known world that performs all of life’s functions. All living organisms are either single cells, or are multicellular organisms composed of many cells working together.
Cells are the smallest known unit that can accomplish all of these functions. Defining characteristics that allow a cell to perform these functions include:
A cell membrane that keeps the chemical reactions of life together.
At least one chromosome, composed of genetic material that contain the cell’s “blueprints” and “software.”
Cytoplasm – the fluid inside the cell, in which the chemical processes of life occur.
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