Membranes Test

Question 0

This states that membranes behave more like a fluid than a solid

Answer 0

Fluid mosaic model

Question 1

Phospholipid bilayer made with hydrophilic heads and hydrophobic tails

Answer 1

Cell membrane

Question 2

A protein lodged in the bilayer

Answer 2

Integral protein

Question 3

A protein stuck to the outside of the membrane

Answer 3

Peripheral protein

Question 4

An integral protein protruding from both sides of the bilayer

Answer 4

Transmembrane protein

Question 5

Channel protein that allows water to enter or exit a cell

Answer 5

Aquaporin

Question 6

When a molecule moves from an area of high concentration to low concentration (moving down the concentration gradient)

Answer 6

Diffusion

Question 7

The different levels of concentration in a cell

Answer 7

Concentration gradient

Question 8

Natural, perfect balance of something inside and outside the cell

Answer 8

Equilibrium

Question 9

How much energy does it takes to diffuse and go down the concentration gradient?

Answer 9

None

Question 10

The diffusion of water

Answer 10

Osmosis

Question 11

The lesser substance in a solution

Answer 11

Solute

Question 12

The greater substance in a solution

Answer 12

Solvent

Question 13

The combination of a solute and solvent

Answer 13

Solution

Question 14

The ability of a solution to gain or lose water

Answer 14

Tonicity

Question 15

A solution where the concentration of the solute is equal inside and outside the cell

Answer 15

Isotonic solution

Question 16

A solution where the concentration of the solute is higher on the outside than on the inside

Answer 16

Hypertonic solution

Question 17

A solution where the concentration of the solute is greater on the inside than on the outside. It is normal in plant cells.

Answer 17

Hypotonic

Question 18

What effect does a hypertonic solution have on a cell?

Answer 18

It becomes shriveled

Turgid in plants

Question 19

What effect does a hypotonic solution have on a cell

Answer 19

It is lysed

Plasmolyzed in a plant cell

Question 20

Transport that does not require energy

Answer 20

Passive transport

Question 21

Transport that does require energy

Answer 21

Active transport

Question 22

Diffusion with the help of a protein (active)

Answer 22

Facilitated diffusion

Question 23

Proteins with channels for molecule transport

Answer 23

Channel proteins

Question 24

Proteins that open on one side a and then another for protein movement

Answer 24

Carrier proteins

Question 25

*know how the sodium potassium pump works

Answer 25

You got this

Question 26

The difference in charges inside and outside the cell

Answer 26

Membrane potential

Question 27

Transport for large quantities. (Requires energy but is not active)

Answer 27

Bulk transport

Question 28

Name the three types of endocytosis

Answer 28

Phagocytosis Pinocytosis Receptor-mediated endocytosis

Question 29

Bulk transport going out of the cell. Surrounded by a vesicle (phospholipid bilayer) that fuses with the membrane

Answer 29

Exocytosis

Question 30

Bulk transport of molecules into the cell. Molecules have a vesicle pinch off from membrane to surround them

Answer 30

Endocytosis

Question 31

Type of endocytosis where food is brought into cell

Answer 31

Phagocytosis

Question 32

Type of endocytosis where solutes in fluids are brought into a cell

Answer 32

Pinocytosis

Question 33

Type of endocytosis where ligands fit into receptors to send the cell a message

Answer 33

Receptor-mediated endocytosis