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What is the process called when a plant cell loses water through osmosis and the cell contents shrink away from the cell wall?
- a)Plasmolysis
- b)Endocytosis
- c)Diffusion
- d)Exocytosis
Correct answer is option 'A'. Can you explain this answer?
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What is the process called when a plant cell loses water through osmos...
Plasmolysis occurs when a plant cell loses water due to osmosis, causing the cell membrane to shrink away from the cell wall. This is a key concept in understanding how plant cells respond to changes in their surrounding environment.
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What is the process called when a plant cell loses water through osmos...
Understanding Plasmolysis
Plasmolysis is a crucial biological process that occurs in plant cells when they lose water through osmosis. This phenomenon can significantly affect the cell’s structure and function.
What is Plasmolysis?
- Plasmolysis refers to the shrinking of the protoplast (cell contents) away from the cell wall due to the loss of water.
- This occurs when a plant cell is placed in a hypertonic solution, where the concentration of solutes outside the cell is higher than inside.
How Does Osmosis Work?
- Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.
- In a hypertonic environment, water moves out of the cell, leading to a decrease in turgor pressure.
Effects of Plasmolysis
- As water leaves the cell, the vacuole shrinks, causing the cell membrane to pull away from the rigid cell wall.
- This can lead to wilting in plants, as the loss of turgor pressure makes it difficult for the plant to maintain its structure.
Importance of Plasmolysis
- Understanding plasmolysis is essential in fields like agriculture and horticulture, as it helps in managing plant hydration.
- Proper water balance is crucial for plant health, growth, and productivity.
In summary, plasmolysis is an important process illustrating how osmotic balance affects plant cell integrity. Recognizing this can help in better understanding plant physiology and care.
Plasmolysis is a crucial biological process that occurs in plant cells when they lose water through osmosis. This phenomenon can significantly affect the cell’s structure and function.
What is Plasmolysis?
- Plasmolysis refers to the shrinking of the protoplast (cell contents) away from the cell wall due to the loss of water.
- This occurs when a plant cell is placed in a hypertonic solution, where the concentration of solutes outside the cell is higher than inside.
How Does Osmosis Work?
- Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.
- In a hypertonic environment, water moves out of the cell, leading to a decrease in turgor pressure.
Effects of Plasmolysis
- As water leaves the cell, the vacuole shrinks, causing the cell membrane to pull away from the rigid cell wall.
- This can lead to wilting in plants, as the loss of turgor pressure makes it difficult for the plant to maintain its structure.
Importance of Plasmolysis
- Understanding plasmolysis is essential in fields like agriculture and horticulture, as it helps in managing plant hydration.
- Proper water balance is crucial for plant health, growth, and productivity.
In summary, plasmolysis is an important process illustrating how osmotic balance affects plant cell integrity. Recognizing this can help in better understanding plant physiology and care.
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