Exam4-2007Key - _KEY_ Name (Last, First) BIO 361 _ SOLAR ID...

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____KEY _________________________ _____________________________________ Name (Last, First) SOLAR ID 1 BIO 361 EXAM 4 AND CUMULATIVE FINAL FALL 2007 VERSION 1 NAME:_______KEY _____________________________________ ID:_____________________________________________________ INSTRUCTIONS FOR EXAM 4 (pages 2-6): 1. Write your name and ID on pages 1-6 2. Write all answers in pen only 3. Limit your answers to the space provided Page 2 _______________ Page 3 _______________ Page 4 _______________ Page 5 _______________ Page 6 _______________ Total _______________ Maximum of 100 points INSTRUCTIONS FOR CUMULATIVE FINAL (pages 7-16) (100 points total): a. Answer all questions on the Opscan sheet. Only one answer per question. b. Use a number 2 pencil. c. Fill in NAME (LAST, FIRST, and MI), and IDENTIFICATION NUMBER (Solar ID number) using the bubbles. d. Fill in bubble “1” (for Version 1) in the first column under DAY (do not fill in the remainder of BIRTH DATE).
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____KEY _________________________ _____________________________________ Name (Last, First) SOLAR ID 2 1. Several reactions are shared by glycolysis and gluconeogenesis, but a few are different. a. Name the glycolytic enzymes that must be “bypassed” in gluconeogenesis, and explain why they must be bypassed. (5 points) Hexokinase (or Glucokinase), Phosphofructokinase, Pyruvate kinase (1 point each) Each of these reactions is irreversible in the direction of glycolysis. Thus, they cannot be used for gluconeogenesis. (2 points) b. Name the enzymes that catalyze the bypass reactions in gluconeogenesis, and for each enzyme, explain where the energy comes from to drive the reaction forward. (6 points) (1 point for enzyme, 0.5 point for energy source) Pyruvate carboxylase: ATP PEP carboxykinase: GTP and decarboxylation of OAA Fructose 1,6-bisphosphatase: Hydrolysis of Fructose 1,6-bisphosphate (FBP) Glucose 6-phosphatase: Hydrolysis of Glucose 6-phosphate (GBP)
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This note was uploaded on 11/19/2010 for the course BIO 361 taught by Professor Lake during the Fall '08 term at SUNY Stony Brook.

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Exam4-2007Key - _KEY_ Name (Last, First) BIO 361 _ SOLAR ID...

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