4. Haworth projections are a simple way to draw various sugars. Shown are the polygon and Haworth projections of alpha-D-glucose. a. Draw the requested structures using the templates provided. b. Label the more stable conformer and explain in a few words why it is more stable than the other. HOH,C. CH2OH H. H. OH Ho OH OH OH OH (3. Conformer shown above Ring fip

4. Haworth projections are a simple way to draw various sugars. Shown are the polygon and Haworth projections of alpha-D-glucose. a. Draw the requested structures using the templates provided. b. Label the more stable conformer and explain in a few words why it is more stable than the other. HOH,C. CH2OH H. H. OH Ho OH OH OH OH (3. Conformer shown above Ring fip

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter20: Carbohydrates

Section: Chapter Questions

Problem 20.14P

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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
cyclic monosaccharides Which structure on the right represents the beta-anomer of the monosaccharide shown below on the left? H. CH-OH OH H C-OH %3D H COH HO- A) HO. H-C-0H HO. CHOH H C--0H HO. H. O. %3D CH,OH H. B) CH-OH %3D C) CHOH D)
A. Carbohydrates. Consider the disaccharide sophorose. { OH CH₂OH OH OH CH₂OH OH O OH sophorose OH 1. Is sophorose a reducing or a non-reducing sugar? 2. Is monosaccharide Y: an aldose or a ketose? an a or a 3 anomer? 3. Sophorose exhibits mutarotation. (Yes/No) 4. Identify the glycosidic bond in sophorose. 5. Which monosaccharide is a hemiacetal, X or Y? SAI
Consider the following cyclic monosaccharide, do the following CHOH OH H. OH OH H. H. a. Label the hemiacetal carbon b. Draw the fisher projection of the monosaccharide C. Label the type of anomer (B or a) d. Draw the other anomer e. Draw diastereomer that differs in the arrangement at C2
A Fischer projection of a monosaccharide is shown below: CH₂OH C=O H НО HO -OH H H CH₂OH a. Classify this monosaccharide (e.g., aldotriose) b. Does it have the D or L configuration? c. Which carbon and oxygen become bonded in the furanose ring form of this monosaccharide (e.g., C206, where 06 means the oxygen on carbon 6, or "not formed")? d. Which carbon and oxygen become bonded in the pyranose ring form of this monosaccharide e.g., C206 or "not formed"?
Which of the following best describes the disaccharide shown here? HO. он, но OH OH HO A. a-1,4' glycoside of D-glucose and D-galactose B. B-1,3' glycoside of D-glucose and D-galactose C. a-1,4' glycoside of D-galactose and D-glucose D. B-1,4' glycoside of D-gulose and D-galactose E. a-1,3' glycoside of D-allose and D-glucose F. a-1,3' glycoside of D-idose and D-idose G. a-1,3' glycoside of D-altrose and D-galactose H. B-1,3' glycoside of D-altrose and D-galactose
Which of the following best describes the disaccharide shown here? HO OH OH HO OH OH AmoH HO A. a-1,4' glycoside of D-glucose and D-galactose B. B-1,3' glycoside of D-glucose and D-galactose C. a-1,4' glycoside of D-galactose and D-glucose D. B-1,4' glycoside of D-gulose and D-galactose E. a-1,3' glycoside of D-allose and D-glucose F. a-1,3' glycoside of D-altrose and D-galactose G. a-1,3' glycoside of D-idose and D-idose H. B-1,3' glycoside of D-altrose and D-galactose O A OB OC OD OE OF OG OH F3 1-0 F4 FS MacBook Air FB
A Fischer projection of a monosaccharide is shown below: CHO H HO- HO H -OH H -H -OH CH₂OH a. Classify this monosaccharide (e.g., aldotriose) b. Does it have the D or L configuration?| v c. Which carbon and oxygen become bonded in the furanose ring form of this monosaccharide (e.g., C206, where 06 means the oxygen on carbon 6, or "not formed")? d. Which carbon and oxygen become bonded in the pyranose ring form of this monosaccharide e.g., C206 or "not formed"?
Provide suitable responses for questions (a) –(j).| 6 CH2OH 4 ОН OH OH 2.
Which monosaccharide is a-glucose? CH,OH CH,OH CH;OH CH,OH H. H. OH H. OH HO. H. OH H. H. H. HO. H. OH H. H. H. OH H. H. H. OH H. H. H. H. H. C OD O B O C OA A,
From the choices given below select the aldohexose that yields the same alditol as L-mannose upon reduction with NaBH4. Select ALL monosaccharides that satisfy the requirement, excluding the structure referenced in the question. Note that only D structures are shown. To select an L structure click on the name. If no selection exists, then select the referenced structure. H H- H H CHO -OH HO- -OH H -OH H -OH H CH₂OH D-Allose L-Allose CHO -H H OH HO- -OH H -OH H- CH₂OH D-Altrose L-Altrose CHO CH₂OH D-Glucose CHO OH HO -H -H HO- -H H- OH H -OH HO- -OH H-+ OH H L-Glucose CH₂OH D-Mannose H- L-Mannose CHO OH OH H -H HO OH H- CH₂OH D-Gulose L-Gulose HO CHO -H H- -OH HO- -H HO- -OH H CH₂OH D-Idose L-Idose CHO OH HO -H HO- -H HO -OH CH₂OH D-Galactose L-Galactose H- CHO -H -H -H -OH CH₂OH D-Talose L-Talose