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Questions and Answers
What is an isotonic solution?
What is an isotonic solution?
- A solution that causes a cell to shrivel
- A solution that causes water to move out of a cell
- A solution that has the same osmotic concentration as a cell's cytoplasm (correct)
- A solution that causes a cell to swell
A hypertonic solution causes a cell to swell.
A hypertonic solution causes a cell to swell.
False (B)
What happens to a cell in a hypotonic solution?
What happens to a cell in a hypotonic solution?
The cell swells.
An isotonic solution is one that neither _____ nor _____ a cell.
An isotonic solution is one that neither _____ nor _____ a cell.
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What does a hypotonic solution have in relation to a cell?
What does a hypotonic solution have in relation to a cell?
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What does a hypertonic solution cause water to do?
What does a hypertonic solution cause water to do?
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Study Notes
Isotonic Solutions
- Maintains equal osmotic concentration with a cell's cytoplasm.
- Neither shrinks nor swells the cell; it remains in equilibrium.
- Ideal for maintaining cell shape and function in physiological conditions.
Hypertonic Solutions
- Causes cells to shrivel due to water loss.
- Water moves out of a cell toward the area of higher solute concentration.
- Can lead to plasmolysis in plant cells and crenation in animal cells.
Hypotonic Solutions
- Causes cells to swell as water enters them.
- There is a higher concentration of water outside the cell than inside.
- Can result in lysis of animal cells and turgor pressure in plant cells.
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