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Questions and Answers
What is the random movement of particles suspended in a fluid, resulting from collisions with molecules of the fluid?
What is the random movement of particles suspended in a fluid, resulting from collisions with molecules of the fluid?
- Diffusion
- Isotonic solution
- Brownian Motion (correct)
- Osmosis
What is the movement of molecules from a higher concentration to a lower concentration until equilibrium is reached?
What is the movement of molecules from a higher concentration to a lower concentration until equilibrium is reached?
- Osmosis
- Diffusion (correct)
- Brownian Motion
- Hypertonic
What type of solution has a higher concentration of solutes than the cell?
What type of solution has a higher concentration of solutes than the cell?
- Hypotonic
- Isotonic
- Osmosis
- Hypertonic (correct)
What occurs when a cell is placed in a solution with a lower concentration of solutes than the cell?
What occurs when a cell is placed in a solution with a lower concentration of solutes than the cell?
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What type of solution has the same concentration of solutes as the cell?
What type of solution has the same concentration of solutes as the cell?
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Study Notes
Diffusion and Osmosis
- Brownian motion: the random movement of particles suspended in a fluid, resulting from collisions with molecules of the fluid.
Osmosis
- Diffusion: the movement of molecules from a higher concentration to a lower concentration until equilibrium is reached.
- Hypertonic solution: a solution that has a higher concentration of solutes than the cell.
- Hypotonic solution: a solution that has a lower concentration of solutes than the cell.
- Isotonic solution: a solution that has the same concentration of solutes as the cell.
- Cell in hypotonic solution: water enters the cell, causing it to swell and potentially burst.
- Cell in hypertonic solution: water leaves the cell, causing it to shrink.
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