What is Active Transport?
Cell transport

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•
Biology
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Active Transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy (ATP).
2.
FLASHCARD QUESTION
Front
What is Passive Transport?
Back
Passive Transport is the movement of molecules across a cell membrane without the use of energy, moving from an area of high concentration to an area of low concentration.
3.
FLASHCARD QUESTION
Front
Define Osmosis.
Back
Osmosis is the diffusion of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.
4.
FLASHCARD QUESTION
Front
What is the concentration gradient?
Back
The concentration gradient is the difference in the concentration of a substance between two areas, which drives the movement of particles.
5.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
Facilitated diffusion is a type of passive transport that uses transport proteins to help move molecules across the cell membrane.
6.
FLASHCARD QUESTION
Front
What is endocytosis?
Back
Endocytosis is the process by which a cell takes in materials by engulfing them in a membrane.
7.
FLASHCARD QUESTION
Front
What is exocytosis?
Back
Exocytosis is the process by which a cell expels materials in vesicles that fuse with the cell membrane.
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