2d Flashcards
1
Q
Diffusion
A
The movement of particles in fluids (liquids and gases) from an area of high concentration to an area of low concentration, until equilibrium is reached
2
Q
Osmosis
A
Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration across a partially permeable membrance
3
Q
Active transport
A
he movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration
4
Q
Factors that affect the rate of movement of substances into and out of cells
A
- Distance particles have to travel
- Concentration gradient
- Surface area
