unit 1-diffusion

Question 1

isotonic

Answer 1

“the same”

when a cell is in an isotonic environment the concentration of dissolved solute is the same inside the cell as it is outside the cell

Question 2

hypertonic

Answer 2

“too much”
concentration of the dissolved solute OUTSIDE the cell is GREATER then inside the cell
more water leaves the cell than comes in

Question 3

hypotonic

Answer 3

“too little”
the concentration of dissolved solute OUTSIDE the cell is LESS than inside the cell
more water enters the cell than leaves it

Question 4

diffusion

Answer 4

the movement of molecules from a high to low concentration

Question 5

osmosis

Answer 5

the diffusion of water through a membrane

Question 6

dialysis

Answer 6

the diffusion of solutes through a membrane

Question 7

osmotic pressure

Answer 7

the pressure exerted on a side of a membrane by its ability to draw water into its self

Question 8

semi-permeable membrane

Answer 8

some thing can go through some cannot

Question 9

selectively permeable membrane

Answer 9

cell chooses what can go through and what cannot

Question 10

four factors that affect the rate of diffusion

Answer 10

1. temperature of solution
2. concentration of solute
3. permeability of membrane
4. surface area