Fasting results in an increase in which of the liver

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57. Fasting results in an increase in which of the liver enzymes? A) hexokinase F) B and C B) phosphoenolpyruvate carboxykinase G) A and D C) pyruvate dehydrogenase H) B and D D) glucose-6-phosphatase I) B, C, and D E) A and B J) All of the above Scrambled version B Page 7
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Answer Key - Exam4_S13 Scrambled version B Page 8
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Scrambled version B Page 9
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CH 369 Exam 4 April 16, 2013 Name: eID _____________ Section I: 20 points, total (1 point each) 1. During fuel abundance, excess ____ is (are) catabolized to acetyl-CoA , which is used in fatty acid synthesis. A) glucose B) amino acids C) nucleotides D) A amd B E) A, B and C 2. All transaminases require the cofactor A) thiamine pyrophosphate D) pyridoxyl-5'-phosphate B) FAD E) lipoamide C) NAD+ 3. Fructose-6-phosphate and ______ are used to make sucrose. A) ADP-glucose B) UDP–glucose C) UDP-galactose 4. Insulin is released from pancreatic ___ cells in response to ____ blood glucose. 5. Glucose is removed from the blood and phosphorylated by the ______ enzyme glucokinase. A) α -adrenergic D) leptin B) Cori cycle E) liver C) kidney F) tyrosine kinase 6. Which of the pathways for nucleotide biosynthesis builds the base ring on a PRPP molecule? 7. Cells can obtain cholesterol by taking up ______ via receptor-mediated endocytosis. 8. The light harvesting complex is arranged so that photoreceptors that absorb photons with the shortest wavelengths are A) Closest to the reaction center chlorophyll C) In the middle of the complex B) Furthest from the reaction center chlorophyll 9. Where does ketogenesis occur? 10. Electrons extracted from acyl-CoA in the first step of fatty acid oxidation in peroxisomes are passed to A) Q B) NAD + C) O 2 D) NADP + 11. Nitrogen is directly supplied to the urea cycle by Scrambled version C Page 1
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12. Reaction 3 in the first round of fatty acid synthesis involves the transfer of an acetyl group
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