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प्रश्न
Enumerate functions of plasma membrane.
उत्तर
Plasma membrane serves as a barrier for the entry and exit of materials in the cells. It allows only certain selective materials to pass through it. Apart from this, it also performs certain physical and biological activities. These are as follows:
(i) Diffusion.
(ii) Osmosis.
(iii) Active transport.
(iv) Endocytosis.
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संबंधित प्रश्न
How do substances like CO2 and water move in and out of the cell? Discuss.
What would happen if the plasma membrane ruptures or breaks down?
Where do the lipids and proteins constituting the cell membrane get synthesized?
Give an example of diffusion across plasma membrane.
Set up an experiment to demonstrate osmosis.
Write down the differences between diffusion and osmosis.
Write a note on endocytosis.
What would happen when eukaryotic cells are placed in hypotonic, hypertonic and isotomic solutions?
Describe with a diagram the fluid mosaic organisation of the plasma membrane.
What does the term plasmolysed mean when used to describe a cell?
