Diffusion/Osmosis
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the process by which molecules move from an area of high concentration to an area of low concentration.
2.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the movement of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.
3.
FLASHCARD QUESTION
Front
Where is there a high concentration of water in a plant?
Back
In the vase, where the water is stored.
4.
FLASHCARD QUESTION
Front
What is required for active transport?
Back
Energy is required for active transport to move molecules against their concentration gradient.
5.
FLASHCARD QUESTION
Front
What is the difference between passive and active transport?
Back
Passive transport does not require energy and moves molecules down their concentration gradient, while active transport requires energy to move molecules against their concentration gradient.
6.
FLASHCARD QUESTION
Front
What is a concentration gradient?
Back
A concentration gradient is the difference in the concentration of a substance between two areas.
7.
FLASHCARD QUESTION
Front
What happens to a cell in a hypertonic solution?
Back
In a hypertonic solution, water moves out of the cell, causing it to shrink.
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