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प्रश्न
The cell membrane is called selectively permeable. Why?
उत्तर
The cell membrane of the cell is composed of fine pores through which only certain molecules of the different substances can pass into the cell. Since it allows only specific molecules to enter prohibiting the other it is referred to as Selectively Permeable.
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संबंधित प्रश्न
Complete the crossword with the help of clues given below.
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.
Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.
Name the Following :(A) Smallest Cell Organelle
What would have happened? If.........
RBCs had mitochondria.
Distinguish between the following pairs of terms :
Centrosome and chromosome
State the major function of the following :
Vacuoles
Fill in the blanks:
The ______ contains a network of thread-like structures called chromatin network.
Write true or false for each statement. Rewrite the false statements correctly:
Golgi bodies form a network of tubes which run throughout the cytoplasm
Write true or false for each statement. Rewrite the false statements correctly:
Chromoplasts are the kitchen of the cell
Who says that cell is the biological unit of body structure?
Name the following:
The part of cytoplasm which is devoid of the organelles.
