CHEM114B_Final_Key

CHEM114B_Final_Key - CHEM 114B Final 2010 Last Name First...

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Unformatted text preview: CHEM 114B Final 2010 Last Name, First Name Student ID Section Number Page 1 CHEM 114B Final Exam 3:00pm- 5:59pm March 19, 2010 Write your name and student ID on EVERY page of the exam Fill in the bubbles for your student ID on the scantron. Replace the alphabetical letter in your student ID with the number ‘1’ (e.g., A = 1, U = 1) By signing below, I authorize Dr. Wang to leave my exam out for pick-up outside of Urey Hall 4254. I understand that my exam will be available for public scrutiny, and may be stolen. _______________________________________ Questions 1-50 Multiple Choice _________ out of 150 points Questions 51-60 Short Answer _________ out of 60 points Total _________ out of 210 points CHEM 114B Final 2010 Last Name, First Name Student ID Section Number Page 2 Questions 1-50 (3 pts. each): Multiple choice 1. (3 pts.) Which of the carrier molecules carry one-carbon units? A) Lipoamide B) Tetrahydrofolate C) Pyridoxal phosphate D) Heme E) Cytidine diphosphate diacylglycerol Answer: B 2. (3 pts.) Which of the following is an example of an oxidation reaction? A) B) C) D) Ala-Ser + H 2 O → Ala + Ser E) None of the above. Answer: B 3. (3 pts.) Given that the standard reduction potential of oxaloacetate is –0.166 V and the standard reduction potential of NAD + is –0.315 V. What is the Δε ° ' for the oxidation of malate by NAD + : Malate + NAD + → Oxaloacetate + NADH + H + A) –4.81 V B) + 4.81 V C) –0.149 V D) +0.149 V E) +0.0523 V Answer: C 4. (3pts.) In which of the following metabolic conversions is NADH “generated” during glycolysis? A) 1,3-Bisphosphoglycerate → 3-Phosphoglycerate B) Glucose → glucose-6-phosphate C) 3-Phosphoglycerate → CHEM 114B Final 2010 Last Name, First Name Student ID Section Number Page 2 Questions 1-50 (3 pts. each): Multiple choice 1. (3 pts.) Which of the carrier molecules carry one-carbon units? A) Lipoamide B) Tetrahydrofolate C) Pyridoxal phosphate D) Heme E) Cytidine diphosphate diacylglycerol Answer: B 2. (3 pts.) Which of the following is an example of an oxidation reaction? A) B) C) D) Ala-Ser + H 2 O → Ala + Ser E) None of the above. Answer: B 3. (3 pts.) Given that the standard reduction potential of oxaloacetate is –0.166 V and the standard reduction potential of NAD + is –0.315 V. What is the Δε ° ' for the oxidation of malate by NAD + : Malate + NAD + → Oxaloacetate + NADH + H + A) –4.81 V B) + 4.81 V C) –0.149 V D) +0.149 V E) +0.0523 V Answer: C 4. (3pts.) In which of the following metabolic conversions is NADH “generated” during glycolysis? A) 1,3-Bisphosphoglycerate → 3-Phosphoglycerate B) Glucose → glucose-6-phosphate C) 3-Phosphoglycerate → 2-Phosphoglycerate CHEM 114B Final 2010 Last Name, First Name Student ID Section Number Page 3 D) Fructose-1,6-bisphosphate → dihydroxyacetone phosphate + glyceraldehyde-3-phosphate E) glyceraldehyde-3-phosphate → 1,3-Bisphosphoglycerate Answer: E 5. (3pts.) Arsenate ion (AsO 4-3 ) can substitute for phosphate in the reaction catalyzed by glyceraldehyde-3-...
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This note was uploaded on 05/26/2010 for the course CHEM CHEM 114B taught by Professor Wang during the Winter '10 term at UCSD.

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CHEM114B_Final_Key - CHEM 114B Final 2010 Last Name First...

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