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प्रश्न
What is cell theory? Name the three scientists whose work led to the formulation of the cell theory.
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उत्तर
Cell theory was given by Schleiden and Schwann in the year 1838-1839. It was refined further by Rudolf Virchow.
The main postulates of cell theory are:
- All living beings are made up of one or more cells.
- Cells are the basic structural and functional unit of all living beings.
- All cells are basically alike in chemical composition and metabolic processes.
- New cells arise by the division of pre-existing cells. (Rudolf Virchow)
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संबंधित प्रश्न
Name the part of the cell concerned with the following:
Hydrolytic in function
Fill up the blank with the terms given below
All cells arise from ______ cells
Who proposed the Cell theory? Explain the main points of this theory.
What is the function of the following?
Mitochondria
What is the function of the following?
Ribosomes
the question has four options. Choose the correct answer:
Mitochondria were first seen by
What is difference between us?
Plant cell and animal cell.
Under the microscope, Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is
Nerve cell is the longest cell
