What is cell theory? Who propounded it and when ?
Answers
Answer:
cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of reproduction. With continual improvements made to microscopes over time, magnification technology advanced enough to discover cells in the 17th century. This discovery is largely attributed to Robert Hooke, and began the scientific study of cells, known as cell biology. Over a century later, many debates about cells began amongst scientists. Most of these debates involved the nature of cellular regeneration, and the idea of cells as a fundamental unit of life. Cell theory was eventually formulated in 1839. This is usually credited to Matthias Schleiden and Theodor Schwann. However, many other scientists like Rudolf Virchow contributed to the theory. It was an important step in the movement away from spontaneous generation.
The three tenets to the cell theory are as described below:
1.All living organisms are composed of one or more cells.
2.The cell is the basic unit of structure and organization in organisms.
3.Cells arise from pre-existing cells.
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Question :-
What is cell theory? Who propounded it and when ?
Answer:-
"Cell theory can be described as a historic scientific theory, proposed by two scientists, Theodor Schwann and Matthias Schleiden in 1839."
There are three principles of to the cell theory:-
1). Cells are basic structural and function units of life.
2). All the living beings are composed of cells.
3). The new cells arise from pre-existing cells by division.
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