*Unit 3 Part 5: Cell Transport

Question 1

Diffusion

Answer 1

Small particles moving from high to low concentration directly through the cell membrane.

Question 2

Facilitated diffusion

Answer 2

Large particles moving from high to low concentration through a transport protein.

Question 3

Osmosis

Answer 3

Water moving from areas of high to low concentration through a semi-permeable membrane.

Question 4

Generic active transport

Answer 4

ATP used to move particles from low to high concentration through a transport protein.

Question 5

Exocytosis

Answer 5

Vesicles surround particles and move them out of the cell.

Question 6

Endocytosis

Answer 6

Membrane pinched inward to bring particles into the cell.

Question 7

Is diffusion passive or active?

Answer 7

Passive

Question 8

Is facilitated diffusion passive or active?

Answer 8

Passive

Question 9

Is osmosis passive or active?

Answer 9

Passive

Question 10

Is generic active transport passive or active?

Answer 10

Active

Question 11

Is exocytosis passive or active?

Answer 11

Active

Question 12

Is endocytosis passive or active?

Answer 12

Active

Question 13

Is a protein needed for diffusion?

Answer 13

No

Question 14

Is a protein needed for facilitated diffusion?

Answer 14

Yes

Question 15

Is a protein needed for osmosis?

Answer 15

No

Question 16

Is a protein needed for generic active transport?

Answer 16

Yes

Question 17

Is a protein needed for exocytosis?

Answer 17

No

Question 18

Is a protein needed for endocytosis?

Answer 18

No

Question 19

Is ATP needed for diffusion?

Answer 19

No

Question 20

Is ATP needed for facilitated diffusion?

Answer 20

No

Question 21

Is ATP needed for osmosis?

Answer 21

No

Question 22

Is ATP needed for generic active transport?

Answer 22

Yes

Question 23

Is ATP needed for exocytosis?

Answer 23

Yes

Question 24

Is ATP needed for endocytosis?

Answer 24

Yes

Question 25

Does diffusion go against or down the concentration gradient?

Answer 25

Down the concentration gradient (high to low)

Question 26

Does facilitated diffusion go against or down the concentration gradient?

Answer 26

Down the concentration gradient (high to low)

Question 27

Does osmosis go against or down the concentration gradient?

Answer 27

Down the concentration gradient (high to low)

Question 28

Does generic active transport go against or down the concentration gradient?

Answer 28

Against the concentration gradient (low to high)

Question 29

Does exocytosis go against or down the concentration gradient?

Answer 29

Either

Question 30

Does endocytosis go against or down the concentration gradient?

Answer 30

Either

Question 31

Concentraction gradient

Answer 31

The difference in concentration inside the cell vs. outside

Question 32

Passive transport

Answer 32

Materials can move down concentration gradient on their own

Question 33

Active transport

Answer 33

Cells must use energy to move materials from low concentration to high

Question 34

Dynamic equilibrium

Answer 34

Molecules continue to move back and forth equally but there is no net change in concentration

Question 35

Through passive transport, molecules will reach _____ where the concentration inside is the _____ as outside the cell.

Answer 35

equilibrium; same

Question 36

Protein pump

Answer 36

Membrane protein uses energy to move materials

Question 37

Pinocytosis

Answer 37

Liquids in

Question 38

Phagocytosis

Answer 38

Solids in