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प्रश्न
Give functions.
Plasma membrane
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उत्तर
Functions of the plasma membrane:
- It gives shape and support to the cell.
- It acts as a mechanical barrier to protect the internal contents of the cell.
- It separates the contents of the cell from its surrounding medium.
- It performs physical activities such as diffusion and osmosis.
संबंधित प्रश्न
Cells are the basic structural units of living organisms’. Explain
What are centrioles?
What would have happened? If .........
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State whether the following statement is true (T) or False (F):
Anthocyanins are the pigments of flowers, which are dissolves in cell-sap.
Match the item in column 'A' with those in column 'B'.
| Column A | Column B |
| (a) Vacuoles | (i) Intracellular digestion |
| (b) Nucleolus | (ii) Respiratory enzymes |
| (c) Lysosomes | (iii) Covered by tonoplast |
| (d) Anthocyanin | (iv) Dissolved in the cytoplasm |
| (e) Cristae | (v) Forms RNA |
State the major function of the following :
Lysosomes
Write a short answer.
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Identify the cellular structure with the help of the following clue:
It is made up of lipoproteins.
Identify the cellular structure with the help of the following clue:
Supportive framework for the cell.
