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प्रश्न
What is the function of the following?
Cell membrane
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उत्तर
Cell membrane - It gives a definite shape to the cell, protects the internal cell contents, and allows entry and exit of specific substances into and out of the cell.
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संबंधित प्रश्न
Carry out the following osmosis experiment:
Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
- Keep cup A empty.
- Put one teaspoon of sugar in cup B.
- Put one teaspoon salt in cup C.
- Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then, observe the four potato cups and answer the following:
- Explain why water gathers in the hollowed portion of B and C.
- Why is potato A necessary for this experiment?
- Explain why water does not gather in the hollowed-out portions of A and D.
Write short notes on the following.
Nucleus of a cell
Where are chromosomes found in a cell? State their function.
Differences between light microscope and electron microscope.
Fill up the blank with the terms given below
The ____ is the structural unit of all living things
What was the contribution of the following to our knowledge of cells?
Virchow
Expand - SER
Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
Who studied the cell first?
Write about the contribution of Robert Hooke in cell biology.
