Cell Transport

Guided Reading Questions: Cell Membrane and Cellular Transport

Read page 248

Cell Organization

1. What is the cytoplasm and where is it located?

2. What are organelles?

Comparing the cell to a factory

3. How is the cell like a factory?

Read pages 256-257

Cell Walls

4. What is a cell wall, and what cells have cell walls?

5. What cells do NOT have cell walls?

Cell Membranes

6. What cells have a cell membrane?

7. Where is the lipid bilayer found?

8. What does the cell membrane regulate?

The Properties of lipids

9. The lipid bilayer is made up of 2 layers of lipids. The lipids have hydrophobic tails, and hydrophilic heads. What does hydrophilic mean? What does hydrophobic mean?

10. Draw a picture that shows the lipid bilayer. Label the hydrophilic heads and the hydrophobic tails.

11. What does selectively permeable mean for the cell membrane?

The Fluid Mosaic Model

12. What other molecules can be found in the cell membrane?

13. Why is the cell membrane also called a "Fluid Mosaic"?