What is diffusion?
HAP - Ch, 3 - Cells & Membrane Transport Review

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Biology
•
11th Grade - University
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Diffusion is the passive movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached.
2.
FLASHCARD QUESTION
Front
What happens to a cell in a hypertonic solution?
Back
In a hypertonic solution, water moves from the inside of the cell to the surrounding solution, causing the cell to shrink.
3.
FLASHCARD QUESTION
Front
What is exocytosis?
Back
Exocytosis is an active transport process where cells expel materials in vesicles that fuse with the plasma membrane.
4.
FLASHCARD QUESTION
Front
What is endocytosis?
Back
Endocytosis is the process by which cells take in materials by engulfing them in a vesicle.
5.
FLASHCARD QUESTION
Front
What occurs when a cell is placed in a hypotonic solution?
Back
In a hypotonic solution, water moves from the solution into the cell, causing the cell to swell and potentially burst.
6.
FLASHCARD QUESTION
Front
Define osmosis.
Back
Osmosis is the passive movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
7.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
Facilitated diffusion is a type of passive transport that uses protein channels to help move molecules across the cell membrane.
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