Exam3 - Fall06 - BCH 3023 Fall 2006 Exam 3 BCH 3023 Fall...

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BCH 3023, Fall 2006 Exam 3 BCH 3023 Name ______________________________________ Fall Semester, 2006 Exam 3 ID ______________________________________ FORM A Bubble in the Test Form Code circle on your scantron with the Form Letter shown above. Bubble in your name and student ID on the scantron. Sign the scantron using your normal signature. No electronic devices may be used (or visible on your desk) during the exam. KEEP YOUR SCANTRON FACE DOWN EXCEPT WHEN RECORDING AN ANSWER. DO NOT MARK YOUR EXAM IN SUCH A WAY THAT OTHERS CAN DISCOVER YOUR ANSWERS. YOU MAY OTHERWISE WRITE ANYWHERE ON YOUR EXAM FOR SCRATCH WORK. TURN IN BOTH EXAM AND SCANTRON AT THE END OF THE EXAM. Use the structures A-U (found on the last two pages) to answers questions 1-10. Note: It is possible to use a structure more than once! 1. Using the Sanger method for DNA sequencing, which compound is used to terminate enzymatic DNA synthesis on the primer strand when reading a G residue on the template strand? a.) M b.) A c.) B d.) U e.) J 2. Deamination of adenine would yield which base and ammonia? a.) I b.) L c.) R d.) F e.) P Page 1 of 9
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BCH 3023, Fall 2006 Exam 3 3. Which structure is a major component of RNA, but not of DNA? 4. Guanylyl cyclase catalyses the conversion of GTP to cGMP. Which is the structure of the substrate for guanylyl cyclase. 5. Given the following data for two reactions. Which structure would be a phosphate acceptor in a reaction that is thermodynamically favorable (at standard temperature and pressure)? Reaction ΔG°’ Phosphoenolpyruvate + H 2 O → Pyruvate + Phosphate -61.9 kJ/mol GTP + H 2 O → GDP + Phosphate -30.9 kJ/mol 6. Which structure is palmitoleic acid? a.) C b.) G c.) K d.) O e.) D
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