Chapter 7.3

Question 1

diffusion of substance with no energy

Answer 1

passive transport

Question 2

moving particles so they spread out evenly into the space

Answer 2

diffusion

Question 3

what happends to molecules at diffusion equilibrium

Answer 3

molecules cross membrane at equal rate

Question 4

move based on the concentration gradient

Answer 4

diffusion

Question 5

a type of passive transport becuase it requires no energy

Answer 5

diffusion

Question 6

the diffusion of free water across the membrane

Answer 6

osmosis

Question 7

water continues until what is equal in osmosis

Answer 7

til concentration is equal

Question 8

a surrounding solution that causes a cell to gain/lose water

Answer 8

tonicity

Question 9

depends the concentration of the solutes in the solution that can’t cross the membrane

Answer 9

tonicity

Question 10

high concentration solution
low concentration solute in cell

what does the water do?

Answer 10

leave the cell

Question 11

when water leaves the cell

Answer 11

hypertonic

Question 12

low concentration solution
high concentration solute in cell

what does the water do?

Answer 12

enter the cell

Question 13

when water enters the cell

Answer 13

hypotonic

Question 14

equal concentration outside and inside the cell

Answer 14

isotonic

Question 15

water diffuses at the same rate in both directions

Answer 15

isotonic

Question 16

control of the solute concentration and water balance

Answer 16

osmoregulation

Question 17

most healthy state of the cell

Answer 17

turgid

Question 18

isotonic solution where the plant limps

Answer 18

flaccid

Question 19

plant loses water in hypertonic environment

Answer 19

plasmolysis

Question 20

cell shrinks and pulls away from the cell wall

Answer 20

plasmolysis

Question 21

facilitate the transport of ions

Answer 21

ion channels

Question 22

type of ion channel that opens/closes based on a stimulus

Answer 22

gated channel

Question 23

undergos a shape change to move through the membrane

Answer 23

carrier proteins

Question 24

no energy is rquired for these type of proteins

Answer 24

carrier proteins