T. How many stereoisomers of beta-D-glucopyranose exist (including itself)? a. 4 e. too many to consider...
CHO H- Chemistry 421 Homework #9 Fall 14 Select the most corres How many stereoisomers of beta-D-glucopyranose exist (including itselt)? a. 4 b. 8 c. 16 d. 32 e. too many to consider cero Consider the following Fischer projections and answer the questions: CHO CHO CHO II -OH -ОН HOH H- OH HIO - -OH HO H -H HO H H- H -OH HO- -Η HO- OH н -он Н -он H- -ОН H- OH CHLOH CH OH Снон CHLOH...
CARBOHYDRATES POST-LAB QUESTIONS [52] 19. Review the Fischer structures of D-galactose, D-glucose, and D-mannose Identify each structure. [12 pts) CHO CHO CHO Н. -OH HO -H H -OH HO -H HO H HO -H Н. OH H OH HO -H H -OH H ОН Н. ОН CH2OH CH2OH CH2OH D-Glucose D-Mannose TD-Galactose 20. Would either D-galactose or D-mannose form an osazone identical to the glucose osazone? [5 pts] 21. Explain: [5 pts) [5 pts] 22. What structural feature do all...
14. Consider some of the 16 different stereoisomers of the following sugar: CHO ÇHO сно CHO CHO H OH HOHH OHHO+ HH OH H-OH нон HO+H HOTH Антон H OH нон H +OHH OHHO+H H-OH H+OH Антон нон нтон снуон CH OH CHO CHOH CHOH D-allose D-aitrose D-glucose D-mannose D-gulose - 140 +33° +53 +14° -20° CHO HO+ HO+H HO+H HO- H CHOH L-allose CHO CHO сно CHO H+H HOH OH OH HO- H нон нон нонн HO+H Нонн нонн...
Name the following aldoses. (Include in the names the stereochemical designation D or L and, where appropriate, the configuration of the anomeric carbon, alpha or beta. This question is case-sensitive, so capitalize only the D or L.) ball & stick labels ball & stick labels The following model is that of an aldopentose: ball & stick - + labels Draw the alpha anomer of the sugar in its furanose form. • Use the wedge/hash bond tools to indicate stereochemistry where...
Name the following aldoses. (Include in the names the stereochemical designation D or L and, where appropriate, the configuration of the anomeric carbon, alpha or beta. This question is case-sensitive, so capitalize only the D or L.) ball & stick + labels b all & stick + labels The following model is that of an aldopentose: ball & stick - + labels Draw the alpha anomer of the sugar in its furanose form. Classify each of the following sugars. (For...
Please show all work. Will rate high! Use the Henderson–Hasselbalch (H-H) equation to answer the following question: Calculate the concentration of the glutamine anion when 0.50 M of glutamine is at a physiological pH of 7.4. The pka of the a-amine group is 9.13. (Answer in mm) Match the name with the structure for each of the D-aldoses. CHO CHO но CHO H он H Но H H ОН H он HOH H он CHO но -Н H ОН но...
1) SHOW WORK STEP By STEP below is Figure 7-3 Recognizing Epimers Using Figure 7-3, identify the epimers of (a) D-allose, (b) D-gulose, and (c) D-ribose at C-2, C-3, and C-4. Answer Epimers differ by the configuration about only one carbon. (a) D-altrose (C-2), D-glucose (C-3), D-gulose (C-4) (b) D-idose (C-2), D-galactose (C-3), D-allose (C-4) (c) D-arabinose (C-2), D-xylose (C-3) (a) D-Aldoses Three carbons Four carbons Five carbons но не HO -OH н-с-он CH, OH D-Glyceraldehyde но-с-н H-C-OH снион D-Threose...
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...
5.59 Provide the products and balance the following reac tion for the complete combustion of pentane, C;H12 Identify the reactant that is oxidized and the reactant 5.65 that is reduced. CsH12) 02() 5.60 Provide the products and balance the following reac- tion for the complete combustion of the fatty acid octanoic acid, C H1602. Identify the reactant that is oxidized and the reactant that is reduced. CgH1602(s) O2 (g) 5.62 Identify the reactant that is oxidized and the reactant that...
What do you get when you oxidize glucose with chromic acid? Isomers What do you get when you oxidize glucose with chromic acid? Сно H2CRO4 H- -ОН Н20 но—н H OH A) gluconic acid (RCHO-RCOOH) н- OH B) a dicarboxylic acid CH2OH C) a ketone D) a tetraketone E) a big, black mess NTE