110Biopeace Cell Membranes And Tranport

Front 1

a balance maintained in a living thing

Back 1

homeostasis

Front 2

movement of molecules from a high to a low concentration by random molecular motion

Back 2

diffusion

Front 3

difference in concentrations of a substance between two places

Back 3

concentration gradient

Front 4

cause of diffusion

Back 4

random molecular motion, kinetic energy

Front 5

final balance between two concentrations

Back 5

equilibrium

Front 6

diffusion of water through a cell membrane

Back 6

osmosis

Front 7

a solution that has more water, and less solute, than the cell

Back 7

hypotonic

Front 8

a solution that has less water, and more solute, than the cell

Back 8

hypertonic

Front 9

a solution that has the same levels of water and solutes as the cell

Back 9

isotonic

Front 10

what direction water moves overall if a cell is placed in a hypertonic solution

Back 10

out of the cell

Front 11

what direction water moves overall if a cell is placed in a hypotonic solution

Back 11

into the cell

Front 12

special cell part that some protists such as Paramecium have, that removes excess water from their cell

Back 12

contractile vacuole

Front 13

loss of turgor pressure and wilting of cells

Back 13

plamolysis

Front 14

pressure of water molecules inside a plant cell, pushing against the cell wall

Back 14

turgor pressure

Front 15

bursting of cells in a hypotonic solution

Back 15

cytolysis

Front 16

type of movement through a cell membrane that is assisted by carrier proteins

Back 16

facilitated diffusion

Front 17

proteins in a cell membrane that help facilitated diffusion to occur

Back 17

carrier proteins

Front 18

transport through a cell membrane that requires ATP

Back 18

active transport

Front 19

transport through a cell membrane from low to high concentration

Back 19

active transport

Front 20

tranport through a cell membrane that does not require ATP

Back 20

passive transport

Front 21

example of active transport important in nerve cells and elsewhere

Back 21

sodium-potassium pump

Front 22

two ways that large molecules are transported in or out of a cell

Back 22

endocytosis and exocytosis

Front 23

ingestion of large molecules, particles, and fluid

Back 23

endocytosis

Front 24

type of endocytosis that takes in a fluid or solutes

Back 24

pinocytosis

Front 25

type of endocytosis that takes in particles or whole cells

Back 25

phagocytosis

Front 26

cell mechanism to release large materials from a cell

Back 26

exocytosis

Front 27

reverse of endocytosis

Back 27

exocytosis

Front 28

type of cell that takes in and digests other cells

Back 28

phagocyte