What is cell transport?
Cell Transport

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Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Cell transport refers to the movement of substances across the cell membrane, which can occur through various mechanisms such as diffusion, osmosis, and active transport.
2.
FLASHCARD QUESTION
Front
Define osmosis.
Back
Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.
3.
FLASHCARD QUESTION
Front
What is active transport?
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) to do so.
4.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
Facilitated diffusion is the process by which molecules pass through the cell membrane via special proteins, moving from an area of high concentration to an area of low concentration without the use of energy.
5.
FLASHCARD QUESTION
Front
What is passive transport?
Back
Passive transport is the movement of substances across a cell membrane without the need for energy input, typically occurring along the concentration gradient.
6.
FLASHCARD QUESTION
Front
What role do carrier proteins play in cell transport?
Back
Carrier proteins assist in the movement of specific molecules across the cell membrane, particularly during facilitated diffusion and active transport.
7.
FLASHCARD QUESTION
Front
Explain the difference between diffusion and osmosis.
Back
Diffusion is the movement of solute particles from an area of high concentration to an area of low concentration, while osmosis specifically refers to the movement of water across a membrane.
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