What is diffusion?
Cell Transport

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•
Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The movement of particles from an area of high concentration to an area of low concentration.
2.
FLASHCARD QUESTION
Front
In passive transport, substances move across the cell membrane ________ the concentration gradient.
Back
WITH
3.
FLASHCARD QUESTION
Front
Which example describes diffusion?
Back
Baking cookies and smelling them throughout the house.
4.
FLASHCARD QUESTION
Front
What is exocytosis?
Back
When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.
5.
FLASHCARD QUESTION
Front
What is a hypertonic environment?
Back
Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell.
6.
FLASHCARD QUESTION
Front
What is osmosis?
Back
The movement of water molecules across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.
7.
FLASHCARD QUESTION
Front
What is active transport?
Back
The movement of substances against the concentration gradient, requiring energy.
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