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Concept explainers
(a)
Interpretation: The given cyclic monosaccharide is to be converted into a Fischer projection of its acyclic form.
Concept introduction: In the Fisher projection formula, a stereogenic centre is located at intersection of the two lines. The horizontal and vertical bonds are denoted by wedges and dashed wedges.
(b)
Interpretation: The name of the given monosaccharide is to be predicted.
Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at
(c)
Interpretation: The anomer of given monosaccharide is to be labeled as
Concept introduction: The anomers are cyclic monosaccharides which are differ in configuration at
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Chapter 28 Solutions
Package: Loose Leaf for Organic Chemistry with Biological Topics with Connect Access Card
- a) Draw Haworth projections of both - and -anomers of D-fructose. Indicate which carbon is the anomeric carbon.b) Sucrose is a disaccharide made up of a molecule of D-fructose and D-glucose. Draw the structure of sucrose clearly indicating the linkage between the two monosaccharides and its biological significance.c) Tollen’s reagent is a very mild oxidizing agent which normally oxidize aldehydes but not ketones. However, both glucose and fructose give positive results with Tollen’s reagent and are classified as reducing sugars. Explain how fructose can also give positive results with Tollen’s reagent (illustrate using structures).arrow_forward(A) Identify the glycosidic bond in the following disaccharide (B) Decide whether the compound is a non reducing or reducing sugar (C) Polysaccharide units are usually bonded together with alpha or beta 1,6 or 1,4 linkages. What linkage is used in the disaccharide shown below?arrow_forwardDraw the structure of: (a) a polysaccharide formed by joining D-mannose units in 1->4-ß-glycosidic linkages; (b) a polysaccharide formed by joining D-glucose units in 1->6-a-glycosidic linkages. The polysaccharide in (b) is dextran, a component of dental plaque.arrow_forward
- Structures of monosaccharides are a) polymers b) pyranoses or furanoses c) aldoses or ketoses d) B and Carrow_forwardIdentify the glycosidic bond in the following disaccharide. (b) Decide whether the compound is a non-reducing or reducing sugar. (c) Polysaccharide units are usually bonded together with a or b 1, 6 or 1, 4 linkages. What linkage is used in the disaccharide shown below?arrow_forwardJust little explanation Asap Thanksarrow_forward
- (a) Draw the condensed structural formula, and give the name for the dipeptide Pro-Asn. (b) Draw the disaccharide formed by the following two monosaccharide via 1,4-linkage. In your disaccharide structure, circle and label the anomeric carbon and indicate whether you have an alpha (a) or a beta (B) anomer. CH2OH CH₂OH ОН ОН ОН ОН, ОН ОН ОН ОНarrow_forwardGood explanation asap Thanksarrow_forwardGive proper explanation and if possible don't upload any image. Hand written solutions are strictly prohibited.arrow_forward
- Amygdalin is a toxic component in the pits of bitter almonds, peaches, and apricots. Q.) Name the two monosaccharide units in amygdalin and describe the glycosidic bond by which they are joined.arrow_forwardWhich statement about saccharides is correct? (A). Alpha anomers are more common than beta anoomers. (B). Two monosaccharides can form a disaccharide and oxygen. (C). Polysaccharides with alpha or beta glycosidic linkages have the different properties. (D). Disaccharides can be cyclic or acyclic.arrow_forwarda. 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., C2O6, where O6 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., C2O6 or "not formed"?arrow_forward
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