CHEM114B_Final_Key

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

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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
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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? 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 + 4. (3pts.) In which of the following metabolic conversions is NADH “generated” during glycolysis?
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CHEM 114B Final 2010 Last Name, First Name Student ID Section Number Page 3 5. (3pts.) Arsenate ion (AsO 4 -3 ) can substitute for phosphate in the reaction catalyzed by glyceraldehyde-3- phosphate dehydrogenase. The product of that reaction is 1-arseno-3-phosphoglycerate. However, this arseno compound rapidly hydrolyzes in water to yield arsenate and 3-phosphoglycerate. When arsenate is present, how many ATP molecules are produced by glycolysis? A) 0 B) 1 C) 2 D) 3 E) 4 Answer: A 6. (3pts.) Which metabolic conversion in gluconeogenesis is NOT affected by inhibiting malate transporter in the mitochondrial membrane?
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