Which of the following properly represents the alpha (a) form of the C-2, C-4 epimer of D-glucose?A.В.C.С.D.ADnone of the above

Epimer is one type of Diasteriomer inwhich only one chiral center changed its chirality but others…

Answered: Which of the following properly…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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a) Which of the following polysaccharides is a segment of amylose? CH2OH CH2OH CH2OH CH2OH OH OH OH OH OH H ОН OH ÓH OH Structure I 1ర్ ర. ర్. శ్మ్. CH2OH CH2OH CH2OH CH,OH OH OH OH OH OH ОН ОН OH Structure II b) Which one is a segment of cellulose? CH2OH CH2OH CH2OH CH2OH OH OH OH OH OH H H H H OH OH OH OH Structure I శ్రీరరర్్ CH2OH CH2OH CH2OH CH2OH OH OH OH OH OH ОН OH OH Structure II
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8. Which of the following monosaccharides will react with Tollens' reagent? Circle all that apply. COOH CH,OH CH2OH HỌ OCH3 HO HO-H OH H. OH CH2OH CH2OH OH II II IV V 9. Which of the following carbohydrates is sucrose? OH OH HO но OH OH HO HO HỌ ÓH ÓH HOl HO OH II OH CHO OH HO/. HO. OH но OH HO. OH HO, HO, OH HO HO. HO!" HO OH HO. III OH HO IV HO Но
Which of the following is the epimer of glucose at C-4? a. mannose b. fructose c. allose d. mannose e. galactose
a hexose if it has 6 C's, and so forth. ? Explain
4. An iterative approach to oligosaccharide synthesis involves the use of protected glycals (sugars with C1-C2 double bond) as shown below. The product from the reaction of the first glycal with DMDO under anhydrous conditions is treated with another suitably-protected glycal to form a disaccharide glycal, and the process can be repeated to form a trisaccharide glycal, and so on... Crucial to the success of this approach is the stereoselective formation of the intermediate A in the scheme below. Draw the structure of A. DMDO CH₂Cl2 A OH ZnCl₂, THF OH
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Given the structure of Raffinose below OH OH НО HO НО- OH OH OH OH ОН A. Redraw the structure and identify the monosaccharides present (e.g. mannose, glucose, etc.). B. Encircle and specify the type of glycosidic bonds present (e.g. a-1,4- glycosidic linkage)
Which of the following is TRUE about the structure below? the monomer is glucose the glycosidic bond is alpha-1,4 the monomer is glucosamine the glycosidic bond is beta-1,6
Disaccharides are formed from two monosaccharides that are held glycosidic bond. Glycosidic bonds are found only in carbohydr Work on your own. Look at the molecules labelled A and B. Figure 2 Structural formula for glucose showing how (a) a chain becomes (b) a fg OH-C-H HO H-C-OH H-C-OH OH "CH,OH e diagr nosac es up mbine Identify monosaccharides Activity 1 OH HH ОН ОН H OH O C-C-C-C-C-C-H H-C-C-C н ОН ОН Н H. H H HO. molecule A molecule B Explain why both molecules A and B are carbohydrates. Which molecule is a triose and which is a hexose? Explain yu Write down the chemical formula for each molecule. Explain why both molecules A and B are monosaccharides Disaccharides nk the monosaccharides together. Table 2 on page 47 ch homic
Identify the two carbon atoms, using numbers (CI, C2 18-68 C3, etc.), that bear the functional groups that interact during the intramolecular cyclization of each of the lor lowing types of monosaccharides. a. Aldohexose c. Ketohexose b. Aldopentose d. Ketopentose 18
The following trisaccharide derivative is important to human health.The A ring is a deoxy derivative of which aldohexose?

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Which of the following properly represents the alpha (a) form of the C-2, C-4 epimer of D-glucose? A. В. C. С. D. A D none of the above