Osmosis
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does permeable mean in the context of cell membranes?
Back
Permeable means that substances can pass through the membrane.
2.
FLASHCARD QUESTION
Front
What is a hypotonic solution?
Back
A hypotonic solution is one where the concentration of solutes is lower outside the cell than inside, causing water to move into the cell.
3.
FLASHCARD QUESTION
Front
What happens to a blood cell placed in an isotonic solution?
Back
In an isotonic solution, water moves equally in and out of the blood cell, maintaining its shape.
4.
FLASHCARD QUESTION
Front
Define osmosis.
Back
Osmosis is the movement of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
5.
FLASHCARD QUESTION
Front
What occurs when a slug is salted?
Back
When a slug is salted, water moves out of the slug's cells into the surrounding salt solution, leading to dehydration.
6.
FLASHCARD QUESTION
Front
What is the difference between isotonic, hypertonic, and hypotonic solutions?
Back
Isotonic solutions have equal solute concentrations inside and outside the cell; hypertonic solutions have a higher concentration of solutes outside the cell, causing water to leave; hypotonic solutions have a lower concentration of solutes outside the cell, causing water to enter.
7.
FLASHCARD QUESTION
Front
How does osmosis affect plant cells?
Back
In a hypotonic solution, plant cells become turgid (firm) as water enters; in a hypertonic solution, they become plasmolyzed (shrunken) as water leaves.
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