Diffusion Flashcards
1
Q
What states does diffusion occur in?
A
Gas or solution form as in these substances the particles are free to move randomly
2
Q
What does it mean if there is a bigger difference in concentration?
A
The higher the rate of diffusion
3
Q
How do dissolved substances move in and out of cells
A
By diffusion
4
Q
What causes only small molecules to be able to diffuse between cells?
A
The cell membrane
5
Q
What molecules can diffuse through a cell membrane?
A
- oxygen
- glucose
- water
- amino acids
6
Q
What molecules can diffuse through a cell membrane?
A
- starch
- proteins
7
Q
What is diffusion?
A
The spreading out of particles from an area of high concentration to an area of low concentration
