Question

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write difference between cell wall and cell membrane

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Answer 1

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CELL WALL:-

• Protecting the cell against physical damage and invading pathogens.
• Regulates and controls the direction of cell growth.
• Providing the strength, structural support and maintaining the shape of the cell.
• Functions as a storage unit by storing carbohydrates for use in plant growth, especially in seeds.
• It allows entry of smaller molecules through it freely.

CELL MEMBRANE:-

• Protecting the integrity of the interior cell.
• Providing support and maintaining the shape of the cell.
• Helps in regulating cell growth through the balance of endocytosis and exocytosis.
• The cell membrane also plays an important role in cell signalling and communication.
• It acts as a selectively permeable membrane by allowing the entry of only selected substances into the cell.

Hope it helps:)

Answer 2

Soil erosion is the displacement of the upper layer of soil; it is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice, snow, air, plants, animals, and humans. Wikipedia