ch16 - Chapter 16: Glycogen Metabolism and Gluconeogenesis...

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Chapter 16: Glycogen Metabolism and Gluconeogenesis Matching Choose the correct answer from the list. Not all the answers will be used. A) phosphorylase a B) gluconeogenesis C) glucagon D) glucose-6-phosphatase E) cAMP F) biotin G) insulin H) glycogenolysis I) liver J) glucose-1-phosphate K) dolichol L) pancreas 1. The breakdown of glycogen is referred to as ______. Ans: H Section: 16.1 Level of Difficulty: easy Learning Objective: Glycogen Breakdown 2. Glucose can be synthesized from noncarbohydrate precursors by______. Ans: B Section: Intro Level of Difficulty: easy Learning Objective: Gluconeogenesis 3. Carboxylation of pyruvate in humans requires ______ as an essential dietary nutrient. Ans: 16.F Section: 4A Level of Difficulty: easy Learning Objective: Gluconeogenesis 4. ______ is often referred to as a second messenger. Ans: E Section: 16.3.B Level of Difficulty: easy Learning Objective: Control of Glycogen Metabolism 5. An enzyme present in the endoplasmic reticulum of liver cells is ______. Ans: D Section: 16.1.C 122
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Level of Difficulty: moderate Learning Objective: Glycogen Breakdown 6. The ______produces the hormones insulin and glucagon. Ans: L Section: 16.3.C Level of Difficulty: easy Learning Objective: Control of Glycogen Metabolism 7. When blood sugar level is low ______ is released. Ans: C Section: 16.3.C Level of Difficulty: easy Learning Objective: Control of Glycogen Metabolism 8. The first step in the breakdown of glycogen is catalyzed by ______. Ans: A Section: 16.1.A Level of Difficulty: easy Learning Objective: Glycogen Breakdown 9. Both glycogen synthesis and glycogen breakdown share the metabolite ______. Ans: J Section: 16.2.A Level of Difficulty: moderate Learning Objective: 10. The membrane-bound polyisoprenol involved in the synthesis of N -linked glycoproteins is called ______. Ans: K Section: 16.5 Level of Difficulty: easy Learning Objective: Other Carbohydrate Biosynthetic Pathways Multiple Choice 11. Which of the following enzymes catalyzes the conversion of glucose-1-phosphate to glucose-6-phosphate? A) hexokinase B) glucokinase C) glucose phosphatase D) phosphoglucomutase E) glycogen phosphorylase 123
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Answer: D Section: 1C Level of Difficulty: easy Learning Objective: Glycogen Breakdown 12. Which of the following enzymes is defective/missing in individuals who have McArdle’s disease? A) debranching enzyme B) pyruvate carboxylase C) glucose-6-phosphatase D) phosphoglucomutase E) glycogen phosphorylase Answer: E Section: 16.1.C Level of Difficulty: moderate Learning Objective: Glycogen Breakdown 13. In glycogen synthesis, the intermediate between glucose-1-phosphate and glycogen is A) UDP–glucose (or uridine diphosphate glucose) B) glucose-1,6-bisphosphate C) glucose-6-phosphate D) glucose Answer: A Section: 16.2.A Level of Difficulty: easy Learning Objective: Glycogen Synthesis 14. Which of the following proteins forms the glycogen “primer”? A)
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This note was uploaded on 12/05/2011 for the course CHEM 102 taught by Professor Cheng during the Spring '11 term at University of South Florida - Tampa.

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ch16 - Chapter 16: Glycogen Metabolism and Gluconeogenesis...

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