Cell is the basic structural and functional unit of life from "summary" of NCERT Exemplar Problems-Solutions BIOLOGY class 12th by Arihant Experts
The concept of "Cell is the basic structural and functional unit of life" is a fundamental principle in biology. Cells are the building blocks of all living organisms, from simple unicellular organisms to complex multicellular organisms like humans. Every living organism is composed of one or more cells, each performing specific functions that contribute to the overall functioning of the organism. Cells are highly organized structures with specific functions that are essential for life. They are enclosed by a plasma membrane that regulates the flow of substances in and out of the cell. Within the cell, various organelles such as the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus perform specialized functions that are necessary for the survival of the cell. The structural and functional complexity of cells is remarkable. Each organelle within the c...
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