Processes Involved In The Movement Of Molecules Into And Out Of The Cell Flashcards
1
Q
No energy requirement by the cell
A
Passive transport processes
2
Q
Movement of molecules according to a concentration gradient
A
Diffusion
3
Q
Factors affecting rate of diffusion
A
- Size of molecule
- Distance
- Gradient
- Electrical gradient
- Temperature
4
Q
Types of diffusion
A
- Simple diffusion
- Ion channels
- Osmosis
5
Q
Lipid soluble molecules involved in simple diffusion
A
- Steroids
- O2
- CO2
6
Q
Movement of water according to a concentration gradient across a selectively permeable membrane
A
Osmosis
7
Q
During osmosis, where does water move?
A
An area of low solutes to an area of high solutes
8
Q
Special type of diffusion restricted to the movement of water
A
Osmosis
9
Q
Generated when water moves into a region of higher solute concentration
A
Osmotic pressure
10
Q
The solute concentration of a solution
A
Osmolarity
11
Q
Represents the effects that osmolarity has on the cell
A
Tonicity
