What is osmosis?
Osmosis

Flashcard
•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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.
2.
FLASHCARD QUESTION
Front
What does 'uneven sharing of electrons' in a water molecule result in?
Back
It results in a polar molecule, where the oxygen atom becomes partially negative and the hydrogen atoms become partially positive.
3.
FLASHCARD QUESTION
Front
What happens to a cell placed in a 4% salt solution?
Back
Water will move out of the cell, causing it to shrink.
4.
FLASHCARD QUESTION
Front
What happens to a cell placed in a 20% saline solution?
Back
Water will move equally in and out of the cell, leading to no net change in cell size.
5.
FLASHCARD QUESTION
Front
What does 'hypertonic' mean?
Back
Hypertonic refers to a solution that has a higher concentration of solutes compared to another solution.
6.
FLASHCARD QUESTION
Front
What is water potential?
Back
Water potential is the measure of the potential energy in water, indicating the direction water will move; it moves from areas of higher water potential to lower water potential.
7.
FLASHCARD QUESTION
Front
What is a selectively permeable membrane?
Back
A selectively permeable membrane allows certain molecules or ions to pass through it while blocking others.
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