Cell Transport vocab

Question 1

phospholipid

Answer 1

a lipid containing a phosphate group in its molecule

Question 2

plasma membrane

Answer 2

a microscopic membrane of lipids and proteins

Question 3

semipermeable

Answer 3

allowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes.

Question 4

hydrophilic

Answer 4

likes water

Question 5

hydrophobic

Answer 5

doesn’t like water, scared of it.

Question 6

transport/membrane protein

Answer 6

interact with biological membranes

Question 7

receptor protein

Answer 7

binding agents

Question 8

carbohydrate chain

Answer 8

chain of large group of organic compounds

Question 9

cholesterol

Answer 9

high concentrations in the blood, mainly from animal fats

Question 10

concentration gradient

Answer 10

a gradient in concentration of a solute as a function of distance through a solution

Question 11

euilibrium

Answer 11

a state in which opposing forces of influences are balanced

Question 12

active trasnport

Answer 12

the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy

Question 13

endocytosis

Answer 13

the taking in of matter by a living cell to form a vacuole

Question 14

phagocytosis

Answer 14

ingestion of bacteria or other material

Question 15

osmosis

Answer 15

process y which molecules of solvent tend to pass through a semipermeable ,membrane

Question 16

diffusion

Answer 16

the spreading of something more wildly

Question 17

facilitated diffusion

Answer 17

Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport

Question 18

isotonic solution

Answer 18

the cell is happy

Question 19

hypertonic solution

Answer 19

solution with high salt concentration

Question 20

hypotonic solution

Answer 20

solution with low salt concentration

Question 21

solute

Answer 21

dissolving in water

Question 22

solvent

Answer 22

liquid that dissolves the solute

Question 23

solution

Answer 23

solute + solvent

Question 24

plasmolysis

Answer 24

contraction of the protoplast of a plant cell as a result of loss of water from the cell.

Question 25

cytolsis

Answer 25

expanding of a cell when it fills with H2O

Question 26

passive transport

Answer 26

transport of a substance across a cell membrane by diffusion

Question 27

exocytosis

Answer 27

process by which the contents of a cell vacuole are released to the exterior through fusion

Question 28

pinocytosis

Answer 28

taking in liquids