What is cell transport?
Cell Transport

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Biology
•
9th 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 facilitated diffusion?
Back
Facilitated diffusion is a passive transport process that uses proteins to help move molecules across the cell membrane from an area of high concentration to an area of low concentration without using energy.
3.
FLASHCARD QUESTION
Front
What is active transport?
Back
Active transport is the movement of molecules across a cell membrane from an area of low concentration to an area of high concentration, requiring energy (ATP) to do so.
4.
FLASHCARD QUESTION
Front
What role do proteins play in cell transport?
Back
Proteins act as channels or pumps in the cell membrane, facilitating the movement of molecules in and out of the cell.
5.
FLASHCARD QUESTION
Front
What are phospholipids?
Back
Phospholipids are a type of lipid that make up the majority of the cell membrane, consisting of a hydrophilic (water-attracting) head and two hydrophobic (water-repelling) tails.
6.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the movement of water molecules through a selectively permeable membrane from an area of high water concentration to an area of low water concentration.
7.
FLASHCARD QUESTION
Front
What is the difference between passive and active transport?
Back
Passive transport does not require energy and moves substances from high to low concentration, while active transport requires energy to move substances from low to high concentration.
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