2.4 Movement of substances in and out of cells Flashcards
1
Q
Diffusion
A
the net movement of substances from an area of high water potential to low water potential
2
Q
Osmosis
A
the net movement of water from an area of high water potential to low water potential
3
Q
Active transport
A
the movement of substances from an area of low to high concentration, against a concentration gradient, using the energy from ATP
4
Q
Concentration Gradient
A
the difference in concentration between two areas
5
Q
Surface area to volume ratio
A
the size of the object compared with the area that is in contact with the environment
