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What is a cell as a unit of structure and function?
Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life. Each cell contains a fluid called the cytoplasm, which is enclosed by a membrane.
What are the 7 main functions of a cell?
Let us study 6 of the most vital functions performed by a cell.
Structure and Support. You know a house is made of bricks. ...
Growth. In complex organisms such as humans, the tissues grow by simple multiplication of cells. ...
Transport. ...
Energy Production. ...
Metabolism. ...
Reproduction.
What is the cell theory class 11?
It says that all the plants and animals are composed of cells and the cell is the basic unit of life. The cell theory was further expanded by Virchow (1855) by suggesting that all cells arise from pre-existing cells.
What are the three basic types of cells?
The main types of cells in the human body are listed below: Stem cells. Red blood cells (erythrocytes) White blood cells (leukocytes)
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