What is the primary function of the cell membrane?
Cell membrane and cell transport

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•
Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The cell membrane regulates what enters and exits the cell, maintaining homeostasis.
2.
FLASHCARD QUESTION
Front
Define homeostasis in the context of cell biology.
Back
Homeostasis is the process by which a cell maintains a stable internal environment despite changes in external conditions.
3.
FLASHCARD QUESTION
Front
What is a hypotonic solution?
Back
A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, causing water to enter the cell.
4.
FLASHCARD QUESTION
Front
What role do channel proteins play in the cell membrane?
Back
Channel proteins facilitate the transport of specific substances across the cell membrane.
5.
FLASHCARD QUESTION
Front
What is passive transport?
Back
Passive transport is the movement of molecules across the cell membrane without the use of energy.
6.
FLASHCARD QUESTION
Front
What type of energy does passive transport use?
Back
Passive transport uses no energy.
7.
FLASHCARD QUESTION
Front
What is the difference between active and passive transport?
Back
Active transport requires energy to move substances against their concentration gradient, while passive transport does not.
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