Quiz2_Spr07 - Biochemistry 3020 Instructor: Dr. H.-J....

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Biochemistry 3020 Quiz 2 2007-Jan-18 Instructor: Dr. H.-J. Wieden 12:15 – 12:30 Name:_____________________ ID#:__________________ Page:1/2 1. 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. 2. Which of the following sugars is not a reducing sugar? A) glucose B) ribose C) sucrose D) starch E) galactose 3. How many stereoisomers are possible for an aldopentose such as ribose? A) 2 B) 4 C) 8 D) 16 E) 32 4. The transformation of a monosaccharide into its ______ occurs easily and does not require the assistance of a catalyst. A) epimer
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Quiz2_Spr07 - Biochemistry 3020 Instructor: Dr. H.-J....

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