Advertisements
Advertisements
प्रश्न
What is cell theory? Name the three scientists whose work led to the formulation of the cell theory.
टीपा लिहा
Advertisements
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)
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
All life starts as _________.
Why are lysosomes called suicidal bags?
Expand - ER
"Nucleus is the controller of the cell" - prove this statement.
Which is the longest human cell?
What is a 'cell'?
An electron microscope is necessary for the study of ______.
What is difference between us?
Plant cell and animal cell.
When will you use a simple microscope and when, a compound microscope? Explain in detail how you will use them.
The instrument used to observe the cell is _____
