lab #5

Question 1

the net movement of a solute from an area of higher concentration to an area of lower concentration

Answer 1

diffusion

Question 2

the result of the random movement of molecules

Answer 2

diffusion

Question 3

present when there is a different concentration of solutes within a solution

Answer 3

concentration gradient

Question 4

may be influenced by density of media, concentration gradient, temperature, molecular size, and membrane permeability

Answer 4

rate of diffusion

Question 5

brown by itself, but dark purple when interacting with starch

Answer 5

iodine

Question 6

substance through which diffusion occurs, such as water and air

Answer 6

media

Question 7

a mixture of two substances with one dissolved in the other

Answer 7

solution

Question 8

substance dissolved in a solution

Answer 8

solute

Question 9

the substance that there is most of in a solution

Answer 9

solvent

Question 10

allows some substances to pass through and blocks others based on size

Answer 10

selectively permeable membrane