9.2 Study Guide Flashcards
1
Q
How would you improve the rate of movement of substances into and within the cell?
A
Mazimize the surface area, minimize the volume.
2
Q
What is the definition of osmosis?
A
The diffusion of water across a semi-permeable membrane to dilute higher solute concentration.
3
Q
What way does simple diffusion and facilitated diffusion move?
A
From hypotonic to hypertonic.
4
Q
What’s the definition of hypotonic?
A
lower percent solute, higher percent water
5
Q
What’s the definition of hypertonic?
A
higher percent solute, lower percent water.
6
Q
How do you calculate the percent change in mass?
A
(mass change)/(initial mass) x 100
7
Q
What does exocytosis do?
A
Bring larger molecules out of the membrane.
8
Q
What does endocytosis do?
A
