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प्रश्न
Why is the cell called the structural and functional unit of life?
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उत्तर
- The building blocks of all living things are cells. The structural unit of life is therefore the cell.
- Because of the particular arrangement of its membrane and cytoplasmic organelles, every cell has its own unique structure and function.
- Cells with this kind of organization are able to carry out essential processes like breathing, getting nutrients, getting rid of waste, making new proteins, etc. Thus, the fundamental functioning unit of living things is the cell.
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संबंधित प्रश्न
_________ consists of membranous sacs and secrets 40 types of digestive enzymes.
Distinguish between the following pair of terms:
Protoplasm and cytoplasm
Distinguish between the following pairs of science :
Cell wall and cell membrane
Mention any three differences between a living cell and a brick in a wall.
State the major function of the following :
Ribosome
State the difference between Nucleus and nucleolus
Write true or false for each statement. Rewrite the false statements correctly:
At the time of cell division the chromatin network changes into small thread-like structures called genes
Analogy:
Plant organ: stem:: Animal organ: ______.
Identify the cellular structure with the help of the following clue:
It destroys foreign substances.
Define the following term:
Protoplasm
