4.2 Diffusion Flashcards
1
Q
Is simple diffusion an example of passive or active transport?
A
Passive as no extra energy is required
2
Q
What is simple diffusion defined as?
A
The net movement of particals from an area of high to low concentration down a concentration gradient until they are evenly distributed.
3
Q
What are the requirements for a molecule to be able to pass through the cell membrane via simple diffusion?
A
They should be small, non- polar and lipid soluble
4
Q
Other than simple diffusion, what is another type?
A
Facilitated diffusion
