Diffusion Flashcards
1
Q
What is the definition of diffusion?
A
the net movement of particles from an area of higher concentration to an area of lower concentration
2
Q
Diffusion does not require?
A
energy
3
Q
What is the movement of the particles?
A
they are free and move around randomly
4
Q
What happens the bigger the difference in concentration?
A
there is a faster diffusion rate
5
Q
what are the different ways that substances can move out and in of a cell?
A
diffusion, osmosis and active transport