What is diffusion?
2.4 Review

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•
Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The movement of substances from an area of higher concentration to an area of lower concentration.
2.
FLASHCARD QUESTION
Front
What is the function of the cell membrane?
Back
A flexible covering that protects the inside of a cell from the environment outside the cell.
3.
FLASHCARD QUESTION
Front
Which process is NOT a type of passive transport?
Back
Exocytosis.
4.
FLASHCARD QUESTION
Front
Where is there a low concentration of dye in a cup?
Back
At the bottom of the cup.
5.
FLASHCARD QUESTION
Front
What is passive transport?
Back
The movement of substances through a cell membrane without using the cell's energy.
6.
FLASHCARD QUESTION
Front
What is osmosis?
Back
The diffusion of water across a selectively permeable membrane.
7.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
A type of passive transport that uses transport proteins to move molecules across the membrane.
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