SI session Oct. 9 Ch. 8 and 9

SI session Oct. 9 Ch. 8 and 9 - Kaiser Imam October 9, 2007...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Kaiser Imam October 9, 2007 BIOL 215 SI Session Chapters 8 and 9 Chapter 8: Transport Processes 1. Order the molecules on the following list according to their ability to diffuse through a lipid bilayer, from most to least permeable. Explain your order. a. Ca +2 b. CO 2 c. Ethanol d. Glucose e. RNA f. H 2 O 2. What is the difference between a carrier protein and a channel protein? 3. Describe each of the following types of carrier proteins: 1) Uniporter 2) Symporter 3) Antiporter 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4. List 3 reasons why cells utilize active transport: 1) 2) 3) 5. What is the difference between direct and indirect active transport? 6. Describe the following types of ATPases involved in active transport: P-Type ATPases: F-Type ATPases: ABC-type ATPases: 7. Explain the mechanism of the Na + /K + pump. 2
Background image of page 2
Explain the mechanism of the Na + /Glucose symporter. 9. Diagram how the transporters described above are used to absorb glucose from the small intestine into the blood. 10. Oubain is a very specific inhibitor of the active transport of sodium ions out of the cell and is therefore a valuable tool in studies of membrane transport mechanisms. Which of the following processes would you expect to be sensitive to inhibition by oubain? a) Facilitated diffusion of glucose into a muscle cell b) Active transport of dietary phenylalanine across the intestinal mucosa c) Uptake of potassium ions by red blood cells d) Active uptake of lactose by the bacteria in your intestine 11. List whether the following questions involve simple diffusion ( S ), facilitated diffusion ( F ), or active transport ( A ). More than one answer may apply. a)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/29/2009 for the course BIO 215 taught by Professor Diiulio during the Spring '09 term at Case Western.

Page1 / 6

SI session Oct. 9 Ch. 8 and 9 - Kaiser Imam October 9, 2007...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online