What is the function of cholesterol in the cell membrane?
DC Bio Ch. 7, 8, and 9 Review

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Science
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12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Cholesterol stabilizes the cell membrane, preventing it from becoming too solid or too fluid.
2.
FLASHCARD QUESTION
Front
What does the activation energy represent in a chemical reaction?
Back
The activation energy is the minimum energy required for a chemical reaction to occur.
3.
FLASHCARD QUESTION
Front
What is the main difference between active transport and passive transport?
Back
Active transport moves substances against their concentration gradient (from low to high concentration) using energy, while passive transport moves substances down their concentration gradient (from high to low concentration) without energy.
4.
FLASHCARD QUESTION
Front
What type of solution causes a cell to swell due to water intake?
Back
Hypotonic solution.
5.
FLASHCARD QUESTION
Front
Which cellular process produces the most ATP?
Back
ETC/Chemiosmosis (Electron Transport Chain and Chemiosmosis) produces the most ATP.
6.
FLASHCARD QUESTION
Front
Define diffusion in the context of cellular transport.
Back
Diffusion is the movement of molecules from an area of high concentration to an area of low concentration without the use of energy.
7.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the diffusion of water across a selectively permeable membrane.
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