ch08 - Chapter 8 Carbohydrates Matching A B C D E F G H I J...

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Chapter 8: Carbohydrates Matching A) eight B) deoxy C) peptidoglycan D) axial E) anomers F) two G) lactose H) glyceraldehyde I) amylopectin J) epimers K) sixteen L) glycogen M) equatorial 1. Glucose, with its four chiral carbons, has ______ possible stereoisomers. Ans: K Level of Difficulty: Easy Section: 8.1.A Learning objective: Monosaccharides 2. The smallest aldose is ______. Ans: H Level of Difficulty: Easy Section: 8.1.A Learning objective: Monosaccharides 3. The monosaccharides α -D-galactose and β -D-galactose are ______. Ans: E Level of Difficulty: Easy Section: 8.1.A Learning objective: Monosaccharides
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4. Bulky ring substituents preferentially occupy ______ positions in the chair conformation. Ans: M Level of Difficulty: Easy Section: 8.1.B Learning objective: Monosaccharides 5. The ______ sugars are monosaccharides in which a hydroxyl group is replaced with a hydrogen. Ans: B Level of Difficulty: Easy Section: 8.1.C Learning objective: Monosaccharides 6. The disaccharide commonly found in dairy products is ______. Ans: G Level of Difficulty: Easy Section: 8.2.A Learning objective: Polysaccharides 7. Both α (1 4) and α (1 6) bonds can be found in the plant product______. Ans: I Level of Difficulty: Easy Section: 8.2.C Learning objective: Polysaccharides 8. The main component of a bacterial cell wall is a ______. Ans: C Level of Difficulty: Easy Section: 8.3.B Learning objective: Glycoproteins 9. An example of a homopolysaccharide in liver and muscle is ______. Ans: L Level of Difficulty: Easy Section: 8.2.C
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Polysaccharides Multiple Choice 10. At equilibrium in solution, D-glucose consists of a mixture of its anomers. Which statement most accurately describes the solution? A) The solution consists of approximately equal amounts of the α - and β -anomers. B) The straight-chain form is present in high concentration. C) The α -anomer is more stable and is slightly preferred over the β -anomer. D) The β -anomer predominates over the α -anomer by a ratio of approximately 2:1. E) None of the above. Ans: D Level of Difficulty: Easy Section: 8.1.B Learning objective: Monosaccharides 11. Which of the following sugars is not a reducing sugar? A) glucose B) ribose C) sucrose D) starch E) galactose Ans: C Level of Difficulty: Moderate Section: 8.1.C Learning objective: Polysaccharides 12. How many stereoisomers are possible for an aldopentose such as ribose? 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.

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ch08 - Chapter 8 Carbohydrates Matching A B C D E F G H I J...

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