OLD CBIO EXAMS - CBIO/BIO 3400 Spring 2008 First Quiz NAME:...

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CBIO/BIO 3400 Spring 2008 First Quiz NAME: ! 1. 25 points. a. (5 points). List 4 unique properties that all cells possess. b. (10 points). Describe hydrogen bonds and discuss their significance for the structure and organization of one class of macromolecules in cells. c. (10 points). What factors affect the fluidity of biological membranes? Describe an experimental method that can be used to investigate the fluidity of molecules in a membrane.
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CBIO/BIO 3400 Spring 2008 First Quiz NAME: ! Question 2. 25 points. a. (10 points). Describe the “patch clamp” method and explain 3 things that it can be used to measure. b. (15 points). Describe the structure and function of a voltage gated sodium channel. Explain how the structure of the channel contributes to its overall function. Describe how the channel promotes an essential process in our brain.
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CBIO/BIO 3400 Spring 2008 First Quiz NAME: ! Question 3. 25 points a. (15 points). Name and describe 5 different proteins that function in the phosphoinositide signaling pathway and explain their role in the signaling by describing their function, regulation, and/or binding partners. Protein Function Binding partners Regulation b. (10 points). Describe the structure of the calcium pump, and explain how it functions to transport calcium.
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CBIO/BIO 3400 Spring 2008 First Quiz NAME: ! Question 4. 25 points a. (20 points). Describe the mechanism of signal transduction by heterotrimeric G proteins using one of the well studied biological systems to illustrate their structure, activation, downstream signaling, and adaptation. Biological System Structure Steps Leading to Activation of the Heterotrimeric G protein Steps in the Signaling Downstream of the G protein Adaptation Mechanisms that Turn the Signaling Off/Down. b. (5 points). Explain the concept of “molecular scaffold” in a signal transduction pathway. Provide an example of a scaffold, and explain its importance to the signaling pathway.
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CBIO/BIO 3400 Spring 2008 First Quiz NAME: ! Bonus. 5 points. Questions relate to the assigned manuscript by Corey, et al. 1. (1 point). State the overall question posed in the paper, and the answer that was obtained. 2. (4 points). Describe 4 specific different experiments in the paper, and for each experiment explain the question, the approach, and the result. i. ii. iii. iv.
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BIO/CBIO 3400 NAME: Spring 2008 Second Quiz Mensa-Wilmot/Fechheimer QUESTION 1 ( 25 POINTS ) (a) (10 POINTS) Describe how you would isolate Golgi from vertebrate cells. (Be sure to indicate how you would verify that your final product is authentic.) (b) (5 POINTS) Describe the structure of the Golgi in a vertebrate cell. (10 POINTS) Explain the functions and justify the importance of
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This note was uploaded on 04/16/2011 for the course CBIO 3400 taught by Professor Shen,kipreos during the Spring '08 term at University of Georgia Athens.

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OLD CBIO EXAMS - CBIO/BIO 3400 Spring 2008 First Quiz NAME:...

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