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Unformatted text preview: BIS103-001 (Winter 2007) Final Exam (March 20) Name_____________________________________ 1 Instructor: Abel Student ID #_______________________________ Pls., check appropriate box below. This exam consists of 8 questions. A maximum of 100 points can be earned. Partial credit will be given. There are a total of 12 pages, including the cover page and one blank sheet at the end for notes. However, do not use the blank sheet for your final answers. If you need more space, use the back of pages 2-11. Write your name on top of each page! Petitions for regrading will be considered only if you have used permanent ink , unless an addition error has occurred. *IT IS YOUR RESPONSIBILITY TO WRITE LEGIBLE! No extra effort will be made to decipher your handwriting. T = 25 o C (298 K) T = 37 o C (310 K) R = 8.315 J mol-1 K-1 F = 96.5 kJ mol-1 V-1 n = equivalents of electrons Z = charge of proton ! G = ! G o + RTln[Prod.]/[React.] ! G = ! G o + 2.303RT ! pH + ZF !# ! G o = nF ! E o ! E o = E o Oxidant E o Reductant I,_______________________________________, authorize the University to distribute publicly this graded exam (e.g., handed out in class or left in a bin for pick up). I am aware of the fact that violations of the Academic Code of Conduct 1 may be reported to UC Davis Student Judicial Affairs. 1 Examples of academic misconduct include: receiving or providing unauthorized assistance on examinations, using unauthorized materials during an examination, altering an exam and submitting it for re-grading, or using false excuses to obtain extensions of time ( http://sja.ucdavis.edu/cac.htm ). Signature________________________________________ Date____________________________ Undergraduate Student Completing Incomplete Open Enrollment Student Graduate Student Question Value Score 1 22 2 12 3 12 4 12 5 9 6 7 7 12 8 14+2 TOTAL 100 (+2) BIS103-001 (Winter 2007) Final Exam (March 20) Name_____________________________________ 2 1. (22 pts.) Short answer warm-up questions. a) Triglycerides are synthesized from glycerol-3-P and from activated fatty acids. How is glycerol-3-P produced from an intermediate of glycolysis? How are fatty acids activated? (4 pts) Balanced reaction generating glycerol-P from a glycolysis intermediate: ______________________________________________________________________ Reaction that activates fatty acids for triacylglyceride synthesis: _______________________________________________________________________ b) Humans do not have the glyoxylate cycle. Describe in one sentence its purpose in plants and microorganisms. Give the structure of glyoxylate. Give the reaction catalyzed by malate synthase (names of reactants and products only) (4 pts) Purpose :_________________________________________________________________ Glyoxylate structure : Malate synthase reaction :____________________________________________________ c) Draw the structure of urea and indicate the two precursor molecules from which the N and C atoms...
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