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Unformatted text preview: BIS103-001 (Spring 2006) Final Exam (June 9) Name_______ ANSWER KEY 1 Instructor: Abel Student ID #_______________________________ Pls., check appropriate box below. This exam consists of 5 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 regarding 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 = moles 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 24 2 20 3 26 4 12 5 18 (+2) TOTAL 100 (+2) BIS103-001 (Spring 2006) Final Exam (June 9) Name_______ ANSWER KEY 2 1. (24 pts) Questions related to the catabolism of fatty acids. a) The major pathway of fatty acid degradation is commonly known as: _________ Beta ( )- Oxidation _________________________________(1 pt) b) Draw the structure of eicosapentaenoic acid, which can be abbreviated as a 20:5 ( 5,8,11,14,17 [all cis] ) fatty acid (2 pts). c) Eicosapentaenoic acid is a member of what family of fatty acids? (1 pts) Encircle only one! saturated omega-3 omega-6 branched d) How many net ATPs are produced when octanoic acid (8:0) is completely metabolized to CO 2 and H 2 O? For full credit you must show your work (assume that 1NADH = 3ATP and 1FADH 2 = 2ATP). (6 pts) 1. Activation of Octanoic Acid: Requirement of 2 ATP (2ATP) 2. 3 Rounds of -oxidation yield: 3 NADH 3 F A D H 2 4 A c e t y l- C o A 3. Oxidation of 4 Acetyl-CoA by TCA cycle yield: 12 NADH 4 F A D H 2 4 GTP (=ATP) 4. Oxidation of NADH and FADH 2 in ETC yield: 15 NADH 45 ATP 7 F A D H 2 14 ATP ========== 5 9 A T P 5. Total ATP balance: 59 ATP + 4 ATP (from 4 GTP) 2 ATP (fatty acid activation)...
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- Spring '08