Osmosis Flashcards
1
Q
What is osmosis
A
The net passive diffusion of water molecules across a semi permeable membrane down a water potential gradient
2
Q
Do water molecules move in both directions or one
A
They move in both directions at the same time
3
Q
What is the net movement of water
A
Movement in one direction - movement in the other direction
4
Q
What is water potential the measure of
A
Free energy of water molecules and it’s tendency to move from one solution to another
5
Q
What is the water potential of pure water
A
0
6
Q
What is the highest water potential
A
0
7
Q
I’m solution what are water molecules bound to
A
Solute molecules
8
Q
What happens if water molecules are bound to solute molecules
A
They have less energy
