Tonicity
Flashcard
•
Biology
•
10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is tonicity?
Back
Tonicity refers to the ability of a surrounding solution to affect the volume of a cell by osmosis, based on the concentration of solutes in the solution compared to the concentration of solutes inside the cell.
2.
FLASHCARD QUESTION
Front
Define hypertonic solution.
Back
A hypertonic solution has a higher concentration of solutes compared to the inside of the cell, causing water to move out of the cell, leading to cell shrinkage.
3.
FLASHCARD QUESTION
Front
Define hypotonic solution.
Back
A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, causing water to move into the cell, leading to cell swelling or bursting.
4.
FLASHCARD QUESTION
Front
Define isotonic solution.
Back
An isotonic solution has the same concentration of solutes as the inside of the cell, resulting in no net movement of water into or out of the cell.
5.
FLASHCARD QUESTION
Front
What happens to a cell in a hypertonic solution?
Back
The cell shrivels as water moves out of it to balance the solute concentration.
6.
FLASHCARD QUESTION
Front
What happens to a cell in a hypotonic solution?
Back
The cell swells and may burst as water moves into it to balance the solute concentration.
7.
FLASHCARD QUESTION
Front
What happens to a cell in an isotonic solution?
Back
The cell remains the same size as there is no net movement of water.
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