midterm 1 practice questions

midterm 1 practice questions - Practice questions for...

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Practice questions for Midterm #1 BIBC 100 Winter 2005 1. Which of these amino acid side chains is able to form H-bonds in water? Y R V Q G 2. Following are 3 different protein sequences. A) IVMMIALFMIILVP B) IRWHMYYFQNKLQ C) REDQYTWWKRRS i) Which one would most likely be found traversing the hydrophobic interior or a lipid bilayer? ii) Which would most likely be found on a loop region of a protein? iii) Which one would most likely be found lying on a protein surface? 3. IN ONE SENTENCE, what does a Ramachandran plot represent in general terms? 4. For each of the following molecules, sketch a plot and indicate the rough area in the plot in which you would see the structural features of your molecule. Label your axes and the structural features. (3 points each) i) myglobin ii) normal PrP iii) scrapie PrP iv) immunoglobulin fold 5. Draw out a typical IgG and label each of the domains. 6. You are working with antigen X in the lab and you find that four different lab antibodies can bind to this single antigen. Explain how this is possible.
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This note was uploaded on 01/02/2010 for the course BIBC BIBC 100 taught by Professor Buehler during the Fall '09 term at UCSD.

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midterm 1 practice questions - Practice questions for...

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