Dernburg_Lecture6_R_Q - Reading and Questions for Dernburg...

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Reading and Questions for Dernburg Lecture 6 The Actin Cytoskeleton (February 10, 2009) This lecture will cover Chapter 17 in Lodish. You should read the whole chapter, but I will not emphasize the details of section 17.4, and will only briefly mention chemotaxis, if at all (you don’t need to know how cells sense chemical gradients). Study/Review questions 1. Decoration of actin filaments with myosin S1 is commonly used to a. attach actin filaments to cell membranes b. disassemble actin filaments c. stabilize actin filaments d. reveal the polarity of actin filaments in the electron microscope e. reveal the polarity of myosin filaments 2. Which of the following statements about actin assembly are in correct? a. ATP-actin can assemble into filaments. b. Actin subunits can treadmill through an actin filament. c. Actin assembly can produce force for movement. d. Actin (−) ends assemble more rapidly than actin (+) ends. e. Actin assembly is promoted by profilin
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This note was uploaded on 02/16/2010 for the course MCB 74282 taught by Professor Professordernburg during the Spring '10 term at University of California, Berkeley.

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Dernburg_Lecture6_R_Q - Reading and Questions for Dernburg...

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