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Questions and Answers
What is a characteristic of a hypertonic solution compared to a cell?
What is a characteristic of a hypertonic solution compared to a cell?
- Has no osmotic pressure
- Has the same osmotic pressure
- Has a higher osmotic pressure (correct)
- Has a lower osmotic pressure
What happens to the cell membrane in a hypertonic solution?
What happens to the cell membrane in a hypertonic solution?
- It disappears
- It becomes less permeable
- It becomes more permeable (correct)
- It remains the same
What is an example of a hypertonic solution compared to human blood?
What is an example of a hypertonic solution compared to human blood?
- Freshwater
- Sugar solution with an equal concentration to blood
- Distilled water
- Seawater (correct)
What happens to the cell in a hypertonic solution?
What happens to the cell in a hypertonic solution?
What is the opposite of a hypertonic solution?
What is the opposite of a hypertonic solution?
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Study Notes
Hypertonic Solution
Definition
A hypertonic solution is a solution that has a higher concentration of solutes than another solution, typically a cell.
Characteristics
- Has a higher osmotic pressure than the cell
- Causes water to leave the cell, leading to cell shrinkage (crenation)
- Cell membrane becomes more permeable, allowing solutes to enter the cell
Effects on Cells
- Water leaves the cell through osmosis, causing cell shrinkage
- Cell membrane becomes more permeable, allowing solutes to enter the cell
- Can lead to cell damage or death if the cell is unable to adapt
Examples
- Seawater is a hypertonic solution compared to human blood
- A solution with a high concentration of salt or sugar is hypertonic compared to a cell
Contrast with Other Solutions
- Hypotonic solution: has a lower concentration of solutes than the cell
- Isotonic solution: has the same concentration of solutes as the cell
Hypertonic Solution
- A solution with a higher concentration of solutes than another solution, typically a cell.
- Has a higher osmotic pressure than the cell.
Characteristics
- Causes water to leave the cell, leading to cell shrinkage (crenation).
- Cell membrane becomes more permeable, allowing solutes to enter the cell.
Effects on Cells
- Water leaves the cell through osmosis, causing cell shrinkage.
- Cell membrane becomes more permeable, allowing solutes to enter the cell.
- Can lead to cell damage or death if the cell is unable to adapt.
Examples
- Seawater is a hypertonic solution compared to human blood.
- A solution with a high concentration of salt or sugar is hypertonic compared to a cell.
Contrast with Other Solutions
- Hypotonic solution: has a lower concentration of solutes than the cell.
- Isotonic solution: has the same concentration of solutes as the cell.
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