What is the hydrophilic portion of the cell membrane?
Cell Membrane & Transport

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Biology
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The hydrophilic portion of the cell membrane refers to the 'head' of the phospholipid molecules that are attracted to water, allowing the membrane to interact with the aqueous environment.
2.
FLASHCARD QUESTION
Front
What is passive transport?
Back
Passive transport is the movement of particles across a cell membrane from an area of high concentration to an area of low concentration without the use of energy.
3.
FLASHCARD QUESTION
Front
What is a hypotonic solution?
Back
A hypotonic solution is one where the concentration of solutes is lower outside the cell than inside, causing water to flow into the cell, potentially leading to swelling.
4.
FLASHCARD QUESTION
Front
What happens to a cell in a hypertonic solution?
Back
In a hypertonic solution, the concentration of solutes is higher outside the cell than inside, causing water to flow out of the cell, leading to cell shrinkage.
5.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the passive transport of water molecules across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.
6.
FLASHCARD QUESTION
Front
What is active transport?
Back
Active transport is the movement of particles against their concentration gradient, from an area of low concentration to an area of high concentration, requiring energy.
7.
FLASHCARD QUESTION
Front
What is an isotonic solution?
Back
An isotonic solution is one where the concentration of solutes is equal inside and outside the cell, resulting in no net movement of water.
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