Simple and Facilitated Diffusion

Flashcard
•
Biology
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the primary function of the cell membrane?
Back
The cell membrane regulates what enters and leaves the cell, maintaining homeostasis.
2.
FLASHCARD QUESTION
Front
Define diffusion in biological terms.
Back
Diffusion is the process by which molecules move from an area of high concentration to an area of low concentration.
3.
FLASHCARD QUESTION
Front
What is facilitated diffusion?
Back
Facilitated diffusion is a process that allows substances to cross membranes with the assistance of special proteins.
4.
FLASHCARD QUESTION
Front
Give an example of a substance that uses facilitated diffusion.
Back
Glucose is an example of a substance that uses facilitated diffusion to enter cells.
5.
FLASHCARD QUESTION
Front
What does 'high concentration area' refer to?
Back
A high concentration area refers to a region where molecules are tightly packed together.
6.
FLASHCARD QUESTION
Front
What role do transport proteins play in facilitated diffusion?
Back
Transport proteins help specific molecules cross the cell membrane without using energy.
7.
FLASHCARD QUESTION
Front
What is the difference between simple diffusion and facilitated diffusion?
Back
Simple diffusion does not require assistance from proteins, while facilitated diffusion does.
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