Chemistry From reaction of scheme A, which of the following is/are true about the linearand/or cyclic structure(s) A?AHH--OHOHOHCOI HOH.OHH2 HO--HIOH3 HO--H4 HO--HOHOH5 HO--HH(A) Linear KetoseB) It is a linear ketose that cyclizes into an beta configuration©It is a linear aldose that cyclizes into a beta configuration(D) Linear aldoseEBeta anomeric configuration

Option a: This option is correct because this is linear ketose. Option b: This option is incorrect…

Answered: From reaction of scheme A, which of the…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter25: Biomolecules: Carbohydrates

Section25.SE: Something Extra

Problem 44AP

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The C2-epimer of D-xylose is called (blank 1). The enediol rearrangementconverts an aldose into a (blank 2). The aldopentose embedded in RNA is(blank 3). An aldopentose would have (blank 4) possible stereoisomers,of whichBlankwould be D-sugars. An ketopentose would have (blank 4) possiblestereoisomers, of which (blank 5) would be D-sugars
26. This compound is L-glyceraldehyde. Draw a stereochemically correct representation of C-1 and C-2 of D-glucose. CHO | HO—C—H | CH2OH 27. Categorize each of the following as an aldose, a ketose, or neither. 28. Define each in 20 words or less: (a) anomeric carbon; (b) enantiomers; (c) furanose and pyranose; (d) glycoside; (e) aldose and ketose. 29. A) Draw the structure of any aldohexose in the pyranose ring form. B) Draw the structure of the anomer of the aldohexose you drew above. C) How many asymmetric carbons (chiral centers) does each of these structures have? D) How many stereoisomers of the aldohexoses you drew are theoretically possible? 30. A) Define "reducing sugar." (b) Sucrose is a disaccharide composed of glucose and fructose (Glc(1 → 2)Fru). Explain why sucrose is not a reducing sugar, even though both glucose and fructose are.
Which of the following compounds is an aldose? CH2OH FO H FOH H OH н— он CH2OH HO- FOH OH OH Но HO. A в D A В C
Which of the following represents an aldopentose? H. но. LO но но -H HO H -- HO H- -- Но -H HO H- но H- -O- -OH H- -OH H- -OH -O- OH OH HO HO. OH II II IV V Which of the following is NOT correctly paired? cellulose: beta-1,4-glycosidic linkage amylose: alpha-1,4-glycosidic linkage chitosan: alpha-1,4-glycosidic linkage cellubiose: beta-1,4-glycosidic linkage are involved in the regulation of glucose metabolism and in the control of inflammation, while control tissue swelling by regulating cellular salt balance between Na+ and K+. glucocorticoids, mineralocorticoids mineralocorticoids, glucocorticoids androgen, estrogen estrogen, androgen The type of glycosidic bond present in the structure is CH2OH H H. H CH2OH он OH H. -0 ÓH CH2OH он он OH H H CH2OH H ÓH он H. H H. Он OH но H OH
Which of the following is the correct pair of monosaccharides needed 2 to form the given glycoside? * CH2OH CH-OH CH2OH OH он он OH OH a-D-fructofuranose & B-D-glucopyranose a-D-sorbofuranose & B-D-allopyranose a-D-mannofuranose & B-D-glucopyranose O a-D-sorbofuranose & B-D-galactopyranose
Describe the following sugar. OH HO- OH но OH Ketose, furanose, a Aldose, pyranose, a Ketose, furanose, B Aldose, pyranose, B
Is the following carbohydrate an aldose or a ketose? CH2OH HO H (0 H HO- HO- CH2OH
The following sugar is? -ОН Но ОН O Но 0 ОН O A reducing sugar O Linked by an N-glycosidic bond O Derived from 2 ketoses O A non-reducing sugar trisaccharide -ОН НО ОН
Shown here is a/anglycosidic linkage. CH₂OH CH₂OH I OH Н OH Н O Alpha Beta OL- O D- О Н I ОН HO OH -О Н Н H OH OH
a) Which of the following polysaccharides is a segment of amylose? CH2OH CH2OH CH2OH CH2OH OH OH OH OH ОН H H H OH OH OH ОН Structure I CH2OH CH2OH CH2OH CH2OH OH ОН OH ОН OH OH ОН OH Structure II b) Which one is a segment of cellulose? CH2OH CH2OH CH2OH CH2OH ОН OH OH ОН ОН OH ОН ОН ОН Structure I CH2OH CH2OH CH2OH CH2OH O. ОН ОН OH ОН OH OH OH OH Structure II
Although reaction occurs in sugars also. H, OH H H-C-OH Oxidizing agent OH OH Н-С-ОН Н-С-ОН C=0 R OH R R R Aldose Aldonic acid anion Ketose Enediol Copyright © 2007 Pearson Prentice Hall, Inc. Draw the reaction above substituting D-fructose instead of the generalized ketose structure shown above (you need to draw all 4 structures). Slan and upload your drawing.
does structure E represent fructofuranose? explain

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