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Honors Biology
Name _________________________
Chapter 5.10+ Guided Reading Assignment
1. How do membranes organize the chemical activities of cells?
2. What about membranes makes them selectively permeable?
3. What is unique about the chemical properties of phospholipids? How does this
contribute to the structure of the cellular membrane?
4. Label the fluid mosaic model below:
5. What are receptor proteins? How do they function in a signal transduction?
6. Explain the process of passive transport using the words concentration gradient
and diffusion. Why is this process “passive”?
7. How can transport proteins impact passive transport?
8. What is osmosis?
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9. Why is the net flow of water in the following diagram moving right? Why did I
bold and underline net in the previous sentence?
10. What are the three types of tonicity?
11. How do plant and animal cells respond differently in different tonicities (figure
5.17)?
12. What is active transport?
13. Cells actively transport calcium ions out of the cell. Is calcium more concentrated
inside or outside the cell? Explain.
14. Identify the process in each of the three examples of transport below:
15. Compare and contrast exocytosis and endocytosis.
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