What is active transport?
Cell Transport

Flashcard
•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Active transport is the movement of particles from an area of lower concentration to an area of higher concentration, requiring energy.
2.
FLASHCARD QUESTION
Front
What is passive transport?
Back
Passive transport is the movement of particles from an area of higher concentration to an area of lower concentration, occurring without the use of energy.
3.
FLASHCARD QUESTION
Front
What is a selectively permeable membrane?
Back
A selectively permeable membrane allows some substances to pass through while blocking others, regulating what enters and leaves the cell.
4.
FLASHCARD QUESTION
Front
Which process is NOT an example of passive transport?
Back
Endocytosis is not an example of passive transport; it requires energy.
5.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
6.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.
7.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
Facilitated diffusion is a type of passive transport that uses transport proteins to help move substances across a membrane.
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