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
What is the difference between passive and active transport?
Back
Passive transport does not require energy and moves substances down their concentration gradient, while active transport requires energy to move substances against their concentration gradient.
3.
FLASHCARD QUESTION
Front
Define semi-permeable membrane.
Back
A semi-permeable membrane allows certain molecules to pass through while blocking others, enabling selective transport.
4.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the process by which molecules spread from an area of higher concentration to an area of lower concentration until equilibrium is reached.
5.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the diffusion of water molecules across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
6.
FLASHCARD QUESTION
Front
What is the role of the cell wall in plant cells?
Back
The cell wall provides structural support and protection, and it helps maintain the shape of the cell, preventing it from bursting in hypotonic solutions.
7.
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).
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