MEMBRANE TRANSPORTATION - Definitions

Question 1

Cytosol

Answer 1

Inner part of the cell

Question 2

Interstitial Fluid

Answer 2

Outer part of the cell

Question 3

Passive Transport

Answer 3

• Requires only heat energy

- Includes simple diffusion, facilitated diffusion and osmosis

Question 4

Diffusion

Answer 4

Movement of a substance from areas of high concentration to low concentration (Occurs down concentration gradient)

Question 5

Concentration Gradient

Answer 5

Difference in concentration between two areas

Question 6

Cellular Diffusion

Answer 6

Solute (dissolved substance) occurs cross cell membrane to areas of high concentration to low concentration

Question 7

Simple diffusion

Answer 7

Small non polar solutes

Question 8

Facilitated diffusion

Answer 8

• Small charged or polar solutes

- Channel mediated and carrier mediated (difference is the type of protein used)

Question 9

Osmosis

Answer 9

Passive movement of water through a selectively permeable membrane

Question 10

Active Processes

Answer 10

Require cellular energy

Question 11

Active Transport

Answer 11

Movement of solute against concentration gradient OR area of low concentration to high concentration

Question 12

Vesicular Transport

Answer 12

Transport by vesicle

Question 13

Primary Active transport

Answer 13

-

Question 14

Secondary Active transport

Answer 14

-

Question 15

Exocytosis

Answer 15

Movement of a vacuole put of the cell

Question 16

Endocytosis

Answer 16

Movement of a vacuole into the cell