Draw the following: B-D-allopyranose-(1>3)-a-D-altropyranose. Is it a reducing sugar? 3.
3. Draw the following: B-D-allopyranose-(1-3)-a-D-altropyranose Is it a reducing sugar?
CH,OH b. Is the ketopentose a reducing sugar? c. Is the ketopentose a deoxy sugar? d. Is the ketopentose an amino sugar? e. Draw the L-2-ketopentose that also gives the alcohol sugar above, when treated with H, and Pt. 10.59 a. 10.60 a 10.47 Draw the alcohol sugar, aldonic acid, and uronic acid that can be formed from each monosaccharide. a. D-2-deoxyribose b. L-2-deoxyribose C. the C-3 epimer of D-2-deoxyribose 10.61 10.62 10.48 Draw the alcohol sugar, aldonic acid, and...
Explain how many REDUCING GROUPS are in the molecule
disaccharide and Draw the structure showing
Reducing Sugars Draw the structural formula for a-D-glucosyl-(1->6) -D-mannosamine and circle the part of this structure that makes the compound a reducing sugar.
What is a reducing sugar? What is the significance of the
reducing ability of a sugar?
Questions 1. What is a reducing sugar? What is the significance of the reducing ability of a sugar? 2. Draw the structure of each sugar tested and indicate the reducing potential of each sugar. Were your results in agreement with those expected?
2. Draw the structural formula for a- D-glucosyl-(1->6)-D-mannosamine, and circle the part of this structure that makes the compound a reducing sugar. (4 pts.)
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D) below based on carbonyl group and number of carbons (c.8. aldohexose, ketotriose, etc.). Classify them as an antiomer. Indicate the number of chiral carbons for each sugar. Sugar Classification based on carbonyl group and number of carbons Lor D enantiomer Number of chiral carbons н-с-он HO-6-H. н-с-он ін,он CH,OH C=0 HO-C-H н-с-он HO-C-H. ён,он снон c=0 | HO-C-H ін,он H-C-OH CH, OH CD 2....
3. Indicate whether each of the following disaccharides is a reducing or nonreducing sugar by the criterion of reaction with Fehling's solution. (4 pts.) (a) Glca(1+2) Fruß (b) GalB (174) Gieß
(14pts) Give the shorthand notation for the following sugar. Is it reducing or non- reducing? HO OH OA но (40 pts) How is the configuration ofasugar determined? b. Choose two natural mutations that can oocur in DNA: give the technical name for the mutations and briefly describe the utations c. How is CO2 transported in the circulatory system? d. What are the three classes of carbohydrates?
(14pts) Give the shorthand notation for the following sugar. Is it reducing or non-...
5) What is meant by the term"reducing sugar"? 6) Draw out structures to show the hydrolysis of the following carbohydrates: a) Sucrose b) Lactose c) Starch ( show 4 repeating units)
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, non- polar, acidic, or basic: 6 (4 pts) The amino acid threonine (thr) has two chiral carbons. Draw a Fischer projection of the 2S,3S configuration of threonine. キ 7.(11 pts) Draw the tripeptide lys-asp-ser at physiological pH 8. (8 pts) The pK, values for aspartic acid are 2.10, 9.82...