Vocab

Question 1

where there is continuos movement but no overall change

Answer 1

dynamic equilibrium

Question 2

uses transport proteins to move other ions and small molecules across the plasma membrane

Answer 2

facilitated diffusion

Question 3

the diffusion of water across a selectively permeable membrane

Answer 3

osmosis

Question 4

when a cell is in a solution that has the same concentration of water and solutes as its cytoplasm

Answer 4

isotonic solution

Question 5

if a cell is in a solution that has a lower concentration of solute

Answer 5

hypotonic solution

Question 6

the concentration of the solute outside of the cell is higher than inside

Answer 6

hypertonic solution

Question 7

movement of substances across the plasma membrane against a concentration gradient requires energy

Answer 7

active transport

Question 8

the process by which a cell surrounds a substance inside the cell

Answer 8

endocytosis

Question 9

the secretion of materials at the plasma membrane

Answer 9

exocytosis

Question 10

the net movement of particles from an area where there are many particles of a substance to an area where there are fewer particles in a substance

Answer 10

diffusion