problem_set_6

problem_set_6 - Problem Set #6 BMB 401 Spring 2004 Problems...

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Problem Set #6 BMB 401 Spring 2004 Problems from Lehninger: Chapter 9: 2, 3, 4, 5, 7, 9, 10, 11, 15, 16 Chapter 11: 1, 2, 4, 5, 7, 9, 10, 13 Chapter 12: 3, 4, 5, 12, 14, 15, 17 Problem 1 – The open chain structure for D-Fructose is shown below as its Fischer projection. a. How many chiral carbons does the molecule possess? b. What is the stereochemical configuration at each of the chiral carbons (R or S)? c. How many different stereoisomers of D-fructose are possible? d. Draw both the β -D-pyranose and β -D-furanose ring forms of D- fructose. Make sure that the stereochemistry at each of the carbons is correct. Circle the anomeric carbons. CH 2 OH C O C H HO C OH H C OH H CH 2 OH D-Fructose
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Problem 2 – How many different disaccharides containing D- galactopyranose plus D-glucopyranose are possible? How many of the above disaccharides are nonreducing disaccharides? Problem 3 – Galactose mutarotase catalyzes the equilibration of α -and β -
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This note was uploaded on 07/23/2008 for the course BMB 401 taught by Professor Unknown during the Spring '04 term at Penn State.

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problem_set_6 - Problem Set #6 BMB 401 Spring 2004 Problems...

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