1. Cellular Transport Reading Activity

2. Directions Get out your notes and title it Cell Membrane Notes
Go to Page 50 and Read the first paragraph under the heading: Cell Membrane

3. Question
What is signal transduction?

4. Directions Read about the General Characteristics of the cell membrane
In your notes, write the definition of Semi- Permeable

5. Question
List some words used to describe the cell membrane.

6. Directions Read the first paragraph of the Cell Membrane Structure
In your notes:
Draw a phospholipid (head and 2 tails)
Draw a small phospholipid bilayer with proteins and carbohydrate chains

7. Question
What three macromolecules make up the cell membrane?

8. Directions Read the second paragraph of the Cell Membrane Structure
In your notes:
Write which molecules can pass freely through the cell membrane and why they can do that.
Write which molecules cannot pass freely through the cell and why they cannot.
Describe cholesterol’s role in the cell membrane

9. Directions
Read the third, fourth and fifth paragraph of the Cell Membrane Structure
In your notes:
Write the functions of proteins in the cell membrane.

10. Directions
Go to page 58 and read the first paragraph underneath 3.3 Movements Through Cell Membranes
In your notes:
Make a list of passive forms of transport and active forms of transport
Active = __________ Energy
Passive = __________ Energy

11. Directions Read the Section on Diffusion In your notes: Define:
Concentration Gradient
Equilibrium

12. Draw Extracellular Fluid Intracellular Fluid (Cytoplasm)
Draw a concentration gradient where one side has a higher concentration than the other.
Extracellular Fluid
Intracellular Fluid
(Cytoplasm)

13. Directions Read the section on facilitated diffusion In your notes:
Define:
Facilitated Diffusion
Facilitated diffusion is similar to simple diffusion in that it only moves molecules from regions of __________ concentration toward regions of ___________ lower concentration.
Watch the Video

14. Directions Read the section on Osmosis In your notes: Define: Write:
Isotonic
Hypertonic
Hypotonic
Write:
Water moves from hypotonic solutions  Hypertonic solutions
(Low solute)
(High solute)
(Low Water)
(High Water)

15. Draw
Draw a concentration gradient where one side has a higher concentration than the other. A B

16. Which direction will the water flow?

17. Which direction will the water flow?

18. Which direction will the water flow?

19. Directions Read the section on filtration In your notes: Define:
Edema

20. Directions Read the paragraph under Active Mechanisms In your notes:
Passive transport = movement from ______ to _____ concentration and _________ require energy.
Active transport = movement from ________ to ______ concentrations and ___________ require energy.

21. Directions Read the section on Active Transport In your notes: Define:
How is active transport similar to facilitated diffusion?
How is active transport different from facilitated diffusion?
Why are protein channels involved in active transport called pumps?
Particles that are transported via active transport.

22. Directions Read the section on Endocytosis and Exocytosis
In your notes:
Define:
Endocytosis
Exocytosis
Pinocytosis
Phagocytosis
Receptor mediated endocytosis
How is active transport similar to facilitated diffusion?
How is active transport different from facilitated diffusion?
Why are protein channels involved in active transport called pumps?
Particles that are transported via active transport.
Watch the Video