Topic 3 Flashcards
1
Q
Diffusion
A
Net movement of particles from a region of higher concentration to a lower concentration down a concentration gradient, as a result of random movement.
2
Q
Osmosis
A
The net movement of water molecules from a region of higher water potential to a region of lower water potential, through a partially permeable membranes.
3
Q
Active transport
A
The movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration.
