Membrane Transport

Question 1

Simple diffusion

Answer 1

Unaided by cellular transport proteins

Question 2

Facilitated diffusion & active transport

Answer 2

Aided by cellular transport proteins

Question 3

Diffusion

Answer 3

Movement of solute from an area of high concentration to low concentration

Question 4

Osmosis

Answer 4

Movement of water across a membrane to the side with higher solute concentration

Question 5

Hypertonic

Answer 5

More solutes than in cells

Question 6

Hypotonic

Answer 6

Fewer solutes than in cells

Question 7

Isotonic

Answer 7

Equal amounts of solutes to cells

Question 8

Simple diffusion

Answer 8

No cellular proteins necessary

- Mostly limited to small nonpolar molecules

Question 9

Facilitated diffusion

Answer 9

Large, polar, and charged molecules need transport proteins to diffuse across membranes

Question 10

Carrier proteins

Answer 10

Bind extracellular solutes; changes shape to bring solute into cell

Question 11

Channel proteins

Answer 11

Create hydrophilic channels into membrane