Transport Flashcards
1
Q
Passive diffusion:
A
Molecules simply cross the membrane.
2
Q
Facilitated diffusion:
A
Molecules cross the membrane by going through a protein.
3
Q
Osmosis:
A
Diffusion of water across the membrane.
4
Q
Hypertonic:
A
Higher solute; lower solvent
5
Q
Hypotonic:
A
Lower solute; higher solvent
6
Q
Isotonic:
A
Same concentrations of solute and solvent.
7
Q
Active Transport:
A
Movement of molecules from low to high concentration.
8
Q
Endocytosis:
A
Substances are brought into the cell.
9
Q
Exocytosis:
A
Transports molecules out of the cell.
10
Q
Surface Area: Volume Ratio
A
Big surface area is good; bigger volume is bad.