The cell theory was proposed by two scientists- Schleiden (1838)and Schwann (1839). 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.
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Cell theory is a fundamental principle in biology that states:
1. All living organisms are composed of cells. 2. The cell is the basic unit of structure and organization in organisms. 3. All cells come from pre-existing cells through the process of cell division.
This theory, formulated in the 19th century, laid the foundation for our understanding of the structure and function of living organisms.
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The cell theory was proposed by two scientists- Schleiden (1838)and Schwann (1839). 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.
1. All living organisms are composed of cells.
2. The cell is the basic unit of structure and organization in organisms.
3. All cells come from pre-existing cells through the process of cell division.
This theory, formulated in the 19th century, laid the foundation for our understanding of the structure and function of living organisms.