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प्रश्न
Who proposed the Cell theory? Explain the main points of this theory.
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उत्तर
In 1839, M.J. Schleiden and T. Schwann proposed the cell theory. This was further expanded by Virchow in 1858.
The main features of the cell theory as known at present are:
(i) All living organisms are composed of cells. Hence cell is the structural unit of living organisms.
(ii) All cells arise from pre-existing cells of a similar kind by cell division.
(iii) The chemical composition and metabolism of all cells are basically alike.
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संबंधित प्रश्न
Who discovered cells and how?
A plant cell has a cell wall made of :
Name the part of the cell concerned with the following:
Hydrolytic in function
Who coined the term “cell” ?
Fill up the blank with the terms given below
All cells arise from ______ cells
Expand - RER
Give one main function of the following:
Chloroplast
Where is energy stored in a cell?
Name the different organelles in a cell?
I take part in food production of a cell. Who am I? ____
