Diffusion and Osmosis
Flashcard
•
Biology
•
9th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached.
2.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
3.
FLASHCARD QUESTION
Front
Define hypertonic solution.
Back
A hypertonic solution has a higher concentration of solutes compared to another solution, leading to the movement of water out of cells.
4.
FLASHCARD QUESTION
Front
Define hypotonic solution.
Back
A hypotonic solution has a lower concentration of solutes compared to another solution, causing water to move into cells.
5.
FLASHCARD QUESTION
Front
Define isotonic solution.
Back
An isotonic solution has an equal concentration of solutes compared to another solution, resulting in no net movement of water.
6.
FLASHCARD QUESTION
Front
What role does the cell membrane play in osmosis?
Back
The cell membrane regulates the movement of water and solutes in and out of the cell.
7.
FLASHCARD QUESTION
Front
True or False: Osmosis requires energy to occur.
Back
False. Osmosis is a passive process that does not require energy.
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