12. Circle each anomeric carbon in the sugars below. (2 points) Which of the sugars below...
s he structure of sucrose ( 7) (4 pol (table Sugar) lactulose is shown below. Decide for each of the statements Label the glucose and fructose rings below whether it is True or False. нон он This ring is This ring is H2OH (T or F) Sucrose contains two acetal linkaes and no hemiacetal linkage. A. B. (T or F) Sucrose is a reducing sugar. C. (Tor F) Sucrose does not undergo mutarotation. D. (T or F) The glycosidic linkage...
Question 1 (1 point) Choose the reducing sugars (select all that apply): СН,ОН СН,ОН не — о он н ОН НА // Н v H ОН НА у н н н ОН н ОН CH,OH 1 ОНОН а снион и онон н СН,ОН ОН —0, ОН ОН ОН CH2OH -о- слъ We were unable to transcribe this imageQuestion 2 (1 point) Monosaccharide B can be cat Сн,ОН н Дон ү0 р. Н ОН HOCH2 ОН HV СН,ОН В. Г ОН...
4. What type of linkage is in each disaccharide below? Give the number of the each carbon linked in the glycosidic bond, and the cor ßchirality for each anomeric carbon (e.g., a1-4) но А —о, он D он CH OH он -о, CH,OH —о, он CH OH Он -о, Р. он он он он он Е CH2OH Он -о, CH OH он -оон он о н он снОн -оон но он он Г но Но, он 9 , CH OH...
4. For each sugar below, characterize the anomer if a monosaccharide or the glycosidic bond(s) if a di- or polysaccharide (e.g., B,B-2,3; if there is more than one glycosidic bond, draw an arrow from each label to its corresponding bond). CH,OH CH2OH CH OН но н H Н H Он Н OH н OH Он Н ОН O H Но он b. a. OH H OH CH-OH O H Но ОН Н CH2OH CH2 CH2OH он OCH CH3 Но н...
1. For each of the following sugars: state the classification (by number of carbons and carbonyl type, like aldotetrose), whether the sugar is D- or L-form, and draw the enantiomer. но СН,ОН н-с- OH но-с-н н-с- он нс- он CH OH с=0 но -н нон но -н СН,ОН CH2OH 1 С=0 но но НО -н -н -н CHOH н-с- он CH OH
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
Carbohydrates 1. Label each of the monosaccharides shown below as a triose, tetrose, pentoso, or hexose. но CH OH HT -он - он Н - ОН но -н но -Н но -н нон сньон он но -н НОН CH OH нон нон нон снон CH OH сон сон H- OH H- -он OH cң, он н-с-он Сн,он снон 2. Label each of the monosaccharides shown above as a ketose or aldose. 3. Identify all of the chiral carbons in the...
30. Which of the choices below is the enantiomer of D-glucose? сно сно нон HO-EH сно на-он D-glucose Іно-Ен н -он но-Ен EH,OH сно но н-он но -н нон Сн,он но-Ен на-он но -н но-Ен н -он нон CHO но -н н-он но-Ен нон снен CHOH Сн,он 3. Which of the following structures is an a-anomer? Сн,он —о, он o ноноон нонс осн он — о оно сн, он он онон он он он он тон КСн,он y CH, OH...
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....
Question 5 (1.25 points) Which of the following carbohydrates should be able to be broken down into smaller pieces in a hydrolysis reaction? (Select all that apply.) Fructose Cellulose Lactose Sucrose Starch Question 6 (1.25 points) The following sugar would exhibit positive tests for which of the following tests? (Select all that apply.) CH,он н H OH ОН но lodine None of the these tests would be positive. Benedict Seliwanoff