Diffusion Flashcards
(3 cards)
0
Q
What does diffusion happen in?
A
Solutions and gases
1
Q
Define diffusion
A
Diffusion is the spreading out particles from an area of high concentration to an area of low concentration
2
Q
It is a semipermeable membrane
A
A membrane that only very small molecules can diffuse through like oxygen needed for respiration big molecules like starch and proteins can’t fit through the membrane