What is diffusion?
Osmosis & Diffusion Flashcard 1

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•
Biology
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration until they are evenly distributed.
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
What regulates what enters and leaves a cell?
Back
The Cell Membrane regulates what enters and leaves a cell.
4.
FLASHCARD QUESTION
Front
Where does diffusion occur?
Back
Diffusion occurs in gases, liquids, and across cell membranes.
5.
FLASHCARD QUESTION
Front
What is a concentration gradient?
Back
A concentration gradient is the difference in the concentration of a substance between two areas.
6.
FLASHCARD QUESTION
Front
What happens to molecules in a high concentration area?
Back
Molecules in a high concentration area will move to areas of lower concentration until equilibrium is reached.
7.
FLASHCARD QUESTION
Front
What is an example of diffusion in everyday life?
Back
An example of diffusion is the smell of perfume spreading in a room.
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