final answer

final answer - CHEM 114B Final 2008 Last Name, First Name...

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CHEM 114B Final 2008 Last Name, First Name Student ID Page 1 CHEM 114B Final Exam 11:30am- 2:29pm March 17, 2008 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 2008 Last Name, First Name Student ID Page 2 Questions 1-50 (3 pts. each): Multiple choice 1. (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 2. (3 pts.) Which of the following molecule(s) have a higher phosphoryl-transfer potential than ATP? A) phosphoenolpyruvate B) 1,3-bisphosphoglycerate C) phosphocreatine D) a and b E) a, b and C Answer: E 3. (3 pts.) Which of the following is an example of an oxidation reaction? A) B) + CO 2 CH 3 CCO 2 - O ATP ADP Pi + - O 2 CCH 2 CCO 2 - O + + - O 2 C 2 2 CO 2 - FAD C C CO 2 - - O 2 C H H FADH 2 + + C) CO 2 - C CH 3 H H 2 N 2 - C 3 NH 2 H D) Ala-Ser + H 2 O Ala + Ser E) None of the above. Answer: B 4. (3pts.) In eukaryotes, the enzymes that catalyze the reactions of glycolysis are located in: A) the cell nucleus. B) the endoplasmic reticulum. C) the mitochondria.
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CHEM 114B Final 2008 Last Name, First Name Student ID Page 3 D) the lysosomes. E) the cytosol. Answer: E 5. (3pts.) What reaction is catalyzed by aldolase? A) isomerization of DHAP to GAP B) ligation of GAP and DHAP C) reversible cleavage of F-1,6-BP to DHAP and GAP D) cleavage of DHAP to GAP E) irreversible aldol condensation of DHAP and GAP Answer: C 6. (3pts.) Biosynthesis requires the expenditure of free energy. Which of the following metabolic conversions involved in glucose synthesis requires the direct expenditure of ATP free energy (ATP is also a reactant)? A) Glyceraldehyde-3-phosphate + dihydroxyacetone phosphate fructose-1,6-bisphosphate B) Fructose-1,6-bisphosphate fructose-6-phosphate C) 3-Phosphoglycerate 1,3-bisphosphoglycerate D) 1,3-Bisphosphoglycerate glyceraldehyde-3-phosphate E) None of the above. Answer: C 7. (3pts.) Which of the following metabolic conversions is considered to be the major control point of glycolysis? A) Fructose-1,6-bisphosphate dihydroxyacetone phosphate + glyceraldehyde-3-phosphate B) Glucose glucose-6-phosphate C) 2-phosphoglyerate phosphoenolpyruvate D) Fructose-6-phosphate fructose-1,6-bisphosphate E) pyruvate lactate Answer: D 8. (3pts.) Which of the following occur after a carbohydrate-rich meal?
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This note was uploaded on 10/30/2010 for the course CHEM 114B taught by Professor Wang during the Winter '09 term at UCSD.

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final answer - CHEM 114B Final 2008 Last Name, First Name...

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