Transport Mechanism

Question 1

It refers to the process of moving substances into or out of a cell through the cell membrane. ​

Answer 1

transport mechanism

Question 2

factors that can affect membrane transport

Answer 2

membrane permeability
size and charge of solute
solute concentration

Question 3

a disbalance in the distribution of particles of a substance. ​

Answer 3

concentration gradient

Question 4

forms due to a difference in solute concentration on different sides of a membrane.​

Answer 4

chemical gradients

Question 5

forms due to a difference in charge on either side of a membrane.​

Answer 5

electrical gradients

Question 6

combines the effects of electrical and chemical gradients to determine the direction that ions will flow across a membrane.​

Answer 6

electrochemical gradients

Question 7

importance of transport mechanisms

Answer 7

achieve homeostasis

Question 8

involves the movement of materials through the cell membrane without the expenditure or use of energy.​

Answer 8

passive transport

Question 9

examples of passive transport

Answer 9

simple diffusion, osmosis, facilitated diffusion

Question 10

when ions or molecules diffuse from an area of high concentration to an area of low concentration.​

Answer 10

simple diffusion

Question 11

The movement of molecules with the aid of a transport proteins.​

Answer 11

facilitated diffusion

Question 12

is the diffusion of water across the cell membrane.​

Answer 12

osmosis

Question 13

3 types of solution

Answer 13

hypertonic
hypotonic
isotonic

Question 14

the cell shrinks and wrinkles

Answer 14

hypertonic solultion

Question 15

the cell swells up and burst

Answer 15

hypotonic solution

Question 16

type of solution, functioning cell of normal size

Answer 16

isotonic solution

Question 17

involves the movement of materials through the cell membrane that requires the use of energy.​

Answer 17

active transport

Question 18

Molecules move against the concentration gradient.

Answer 18

active transport

Question 19

against the concentration gradient.

Answer 19

low to high concentration gradient

Question 20

examples of active transport

Answer 20

primary active transport
secondary active transport
bulk transport

Question 21

uses energy usually in the form of Adenosine Triphosphate (ATP)

Answer 21

primary active transport

Question 22

uses potential energy often from electrochemical potential difference as ions are pumped ​

Answer 22

secondary active transport

Question 23

2 types of secondary active transport

Answer 23

symport
antiport

Question 24

It moves large quantities of substances across cell membranes. ​

Answer 24

bulk transport

Question 25

Process by which a cell membrane invaginates and forms a pocket around a cluster of molecules.​

Answer 25

endocytosis

Question 26

types of endocytosis

Answer 26

phagocytosis
pinocytosis

Question 27

cell eating

Answer 27

phagocytosis

Question 28

cell drinking

Answer 28

pinocytosis

Question 29

process that moves large molecules and waste out of a cell.​

Answer 29

exocytosis

Question 30

process by which cells absorb metabolites, hormones, proteins by the inward budding of the plasma membrane.​

Answer 30

receptor-mediated endocytosis