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70-80% of the volume of a mature plant cell is occupied by:
- a)cytoplasm
- b)vacuole
- c)nucleus
- d)endoplasmic reticulum
Correct answer is option 'B'. Can you explain this answer?
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70-80% of the volume of a mature plant cell is occupied by:a)cytoplasm...
Vacuoles occupy a very large part of the cell volume in plants. Upton 95% of cellular volume can be occupied by them.
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70-80% of the volume of a mature plant cell is occupied by:a)cytoplasm...
Understanding Plant Cell Structure
In mature plant cells, a significant portion of their volume is occupied by the vacuole, specifically between 70-80%. Here's an overview of why this is the case:
What is a Vacuole?
- Vacuoles are membrane-bound organelles found in plant cells.
- They primarily store nutrients, waste products, and help maintain turgor pressure.
Role of the Vacuole
- Storage: Vacuoles store essential substances such as sugars, ions, and pigments.
- Turgor Pressure: The vacuole contains a solution of water and solutes, which exerts pressure against the cell wall, helping maintain the plant's structural integrity and rigidity.
- Waste Management: They also play a crucial role in isolating harmful materials and storing waste products.
Comparison with Other Organelles
- Cytoplasm: While the cytoplasm is a vital component of the cell, it occupies less volume compared to the vacuole.
- Nucleus: The nucleus, which contains genetic material, is relatively small and does not occupy as much space.
- Endoplasmic Reticulum: This organelle is involved in protein and lipid synthesis but is also smaller than the vacuole.
Conclusion
The vacuole is essential for maintaining the health and function of mature plant cells. Its large volume not only aids in storage and waste management but also plays a critical role in supporting the plant's structure. Thus, it is accurate to say that 70-80% of the volume of a mature plant cell is occupied by the vacuole.
In mature plant cells, a significant portion of their volume is occupied by the vacuole, specifically between 70-80%. Here's an overview of why this is the case:
What is a Vacuole?
- Vacuoles are membrane-bound organelles found in plant cells.
- They primarily store nutrients, waste products, and help maintain turgor pressure.
Role of the Vacuole
- Storage: Vacuoles store essential substances such as sugars, ions, and pigments.
- Turgor Pressure: The vacuole contains a solution of water and solutes, which exerts pressure against the cell wall, helping maintain the plant's structural integrity and rigidity.
- Waste Management: They also play a crucial role in isolating harmful materials and storing waste products.
Comparison with Other Organelles
- Cytoplasm: While the cytoplasm is a vital component of the cell, it occupies less volume compared to the vacuole.
- Nucleus: The nucleus, which contains genetic material, is relatively small and does not occupy as much space.
- Endoplasmic Reticulum: This organelle is involved in protein and lipid synthesis but is also smaller than the vacuole.
Conclusion
The vacuole is essential for maintaining the health and function of mature plant cells. Its large volume not only aids in storage and waste management but also plays a critical role in supporting the plant's structure. Thus, it is accurate to say that 70-80% of the volume of a mature plant cell is occupied by the vacuole.
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70-80% of the volume of a mature plant cell is occupied by:a)cytoplasmb)vacuolec)nucleusd)endoplasmic reticulumCorrect answer is option 'B'. Can you explain this answer?
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