3 – Cell Membrane/Body Organization

Question 0

The cell membrane helps carry out_

Answer 0

homeostasis

Question 1

the_controls what goes into and out of the cell

Answer 1

cell membrane

Question 2

what is homeostasis?

Answer 2

The balance between the cell and its environment

Question 3

The cell membrane is selectively_

Answer 3

permeable

Question 4

when somethings can go through the cell membrane and others cannot, this is controlled by the size, polarity, And concentration of the molecule. What is this definition?

Answer 4

selectively permeable

Question 5

small_molecules easily pass through the cell membrane

Answer 5

Nonpolar

Question 6

small polar molecules are transported via_in the cell membrane

Answer 6

proteins

Question 7

large molecules are moved through_

Answer 7

vesicles

Question 8

lipid layer, also called_, is embedded with proteins

Answer 8

phospholipids

Question 9

those made of_fats are more fluid than those made of saturated fat’s

Answer 9

unsaturated

Question 10

_Molecules help maintain the stability of the cell membrane

Answer 10

cholesterol

Question 11

The membrane is embedded with proteins which… List three things of the proteins do.

Answer 11

actors channels for materials, Key components of the cytoskeleton, different cell types have different membranes

Question 12

_Attached to the membrane proteins serve as identification tags

Answer 12

carbohydrates

Question 13

_Detect a signal molecule and perform an action in response

Answer 13

receptors

Question 14

_Is the molecule that binds to a receptor

Answer 14

ligand

Question 15

_Is a receptor found inside the cell

Answer 15

intercellular receptor

Question 16

_Is a molecule that cannot cross the membrane, will bind to receptors on the membrane surface; the entire receptor changes shape, causing the molecules inside the cell to respond

Answer 16

membrane receptor

Question 17

_Is the random movement of molecules from an area of highconcentration to an area of low concentration

Answer 17

diffusion

Question 18

diffusion is the random movement of molecules from an area of_concentration to an area of_concentration

Answer 18

high to low

Question 19

_Is the diffusion of water molecules across the cell membrane until equilibrium has been reached

Answer 19

osmosis

Question 20

osmosis is the fusion of_molecules across the cell membrane until equilibrium has been reached

Answer 20

water

Question 21

Diffusion results and a dynamic_

Answer 21

equilibrium

Question 22

_Transport is the direction that molecules will move is dependent on the concentration that are present in the solution and in the cell

Answer 22

passive

Question 23

what are three types of solutions surrounding the cell or there?

Answer 23

isotonic, hypertonic, hypotonic

Question 24

isotonic solutionshave the_number of dissolved solids inside and outside the cell

Answer 24

same

Question 25

hypertonic solutions there are more dissolved solids_the cell then_

Answer 25

1. outside

2. inside

Question 26

hypotonic solution there are more dissolved solids_then_

Answer 26

1. inside

2. outside

Question 27

which way does hypertonic solutions move?

Answer 27

move outside

Question 28

which way do hypotonic solutions move?

Answer 28

into the cell

Question 29

_Is the movement of molecules with the help of the protein carrier

Answer 29

facilitated diffusion

Question 30

in facilitated diffusion molecules move from an area of_concentration to an area of_concentration

Answer 30

high to low

Question 31

_Transport is the movement of molecules from a region of lesser concentration to a region of higher concentration

Answer 31

Active

Question 32

what is an example of active transport?

Answer 32

pumps. Sodium/potassium

Question 33

_Has to have energy for it to occur

Answer 33

Active transport

Question 34

in active transport a transport_binds with the molecule to be transported

Answer 34

protein

Question 35

_Changes the shape of the molecule so that it can be brought across the membrane in active transport

Answer 35

Energy

Question 36

_Transfer is the transfer of large molecules across the membrane

Answer 36

bulk

Question 37

what two types of bulk transport are there?

Answer 37

endocytosis and exocytosis

Question 38

_Is a taking in of large solid particles

Answer 38

endocytosis

Question 39

_Is the removal of large particles from the cell

Answer 39

exocytosis

Question 40

_Is the taking of large solid particles

Answer 40

phagocytosis

Question 41

_Is the taking of liquid droplets

Answer 41

Pinocytosis

Question 42

_Transport requires no energy

Answer 42

passive

Question 43

_Transport requires energy

Answer 43

Active

Question 44

in_molecules move from high to low

Answer 44

diffusion

Question 45

and_diffusion help or molecules move molecules from high to low

Answer 45

facilitated

Question 46

in_is the diffusion of water and it moves from high to low

Answer 46

osmosis

Question 47

in_osmosis salutes is equal inside and outside the cell

Answer 47

isotonic

Question 48

in_osmosis dissolved solids are higher outside the cell than inside

Answer 48

hypertonic

Question 49

in_osmosis less dissolved solids outside the cell then inside

Answer 49

hypotonic

Question 50

pumps use a membrane proteins to bring molecules across the cell membrane from_to_

Answer 50

Low to high