ÇH2OH CH2OH CH2OH CH2OH -Q OH + H2C HO -Q H H -O OH H* но + H ОН HO H H H ОНОН ОНОН ОНОН ОНОН

Please answer all subparts pertaining to question 5

The structure  has what type of glycosidic linkage?        a. b (1®4)   b. b (1®6)   c. a (1®4)   d. a (1®6)

Choose the letter for the statement that is NOT TRUE. If all are true, then circle E. A. Sugars are stored in closed-chain (cyclical) forms to prevent premature breakdown. B. Carbohydrates tend to have a carbonyl (aldehyde or ketone) and multiple alcohols. C. An example of disaccharides is amylose and cellulose D. Amylose can be broken down by our body, but Cellulose cannot. E. All of the above are true. O B O D O A O E

1. Consider the following molecules. Clearly circle the glycosidic bond on each structure. In the Spae provided clearly describe the type of glycosidic bond illustrated. HO-CH2 O. H. H. OH HO. HO-CH2 OH H. H. H. OH H. OH Но H. H. H. OH OH HOH2Ç HO OH OH CH2OH HI エー エエー

1. Draw the structure of a glucose molecule in hemiacetal (closed ring) form. Be sure to have the -OH groups in the correct orientation. What is the difference between alpha-D- glucose and beta-D-glucose? Indicate with chemical structures. α-D-Glucose B-D-Glucose 2. Why is glucose called a reducing sugar? Draw a chemical structure that clarifies your answer.

7. Draw structure for the following compounds. D- fructose C. L-Mannose a - lactose g. B-D- ribose . نه نه ن a. e. i. Small section of amylopectin b. B-D- Galactose d. ß- maltose f. D-2-deoxyribose h. Small section of amylose j. Sucrose

12 CH2OH 1 H H 10 OH H H OH 9 6 H OH CH2 O. H H 4K OH OH 1 H H 12 OH isomaltose OH 3 a. Determine any acetal and hemiacetal in isomaltose. Carbon 7 is the acetal carbon. Carbon 1 is the hemiacetal carbon. b. Determine the numbering of each monosaccharide ring. The lower monosaccharide is numbered 5,4,3,2,1 v. The upper monosaccharide is numbered 7,8,9,10,11 c. Classify the glycosidic linkage as a or ß, and determine its location. The glycosidic linkage is B The linkage is 6 → 7. V d. Is the hemiacetal drawn as an a or ß anomer? The hemiacetal is a 00

The following trisaccharide derivative is important to human health.The A ring is?

Compare the following monosaccharides and choose the best description. a. same sugar b. enantiomers c. diastereomers d. different sugars