Movement of substances into and out of cells Flashcards
1
Q
What are the three ways substances can move in and out of cells
A
Diffusion, Osmosis and Active Transport
2
Q
Does Diffusion Require Energy?
A
No, Diffusion is Passive and Requires no Energy.
3
Q
Molecules diffuse until what is reached?
A
Equilibrium.
4
Q
Lots of chemicals enter and leave by diffusion, name 4.
A
Oxygen or O2, Carbon dioxide or CO2, Urea and Glucose
5
Q
The rate of diffusion can be affected by different things, name some.
A
Temperature, Concentration, Surface Area; Volume, Distance.
6
Q
How does Temperature affect Diffusion?
A
When the temperature increases, the rate of diffusion does also. A higher temperature, means the particles are moving a lot faster, therefore, they spread out quicker.
