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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
Give a brief account of discovery of the cell.
A plant cell has a cell wall made of :
Write a short answer.
Why are mitochondria called the powerhouse of the cell?
Define the term cell? Also, describe types of cells.
What is the function of the following?
Cell membrane
Who studied the cell first?
the question has four options. Choose the correct answer:
Chromosomes are made up of
Name the different organelles in a 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
