1. Draw the L-glucose, L-galactose, L-mannose, and L-fructose structures in Fisher and Chair confirmer(a form).

These all are monosaccharides that is they do not further hydorlysedThey all are structural isomers…

Answered: 1. Draw the L-glucose, L-galactose,…

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter24: Biochemistry

Section24.2: Carbohydrates

Problem 2RC

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3. Draw the structure of the following glycosides (chair, where applicable). a. Sucrose b. B-lactose Raffinose – the most prevalent trisaccharide found in sugar beets; has the name a-D-galactopyranosyl - (1 → 6) - a-D-glucopyranosyl - (1 → 2) -B-D- fructofuranoside С.
1 Draw D- glucose in a Fischer Projection. 2 Draw alpha-D- glucose and in the Hayworth (ring ) structure. 3 Draw the hydrolysis of maltose- the disaccharide composed of alpha D glucose molecules. 4 What is the chemical difference between cellulose and amylose NOTE- please dont explain too much explain to the point
B4. CH₂OH H H но. H CH₂OH OH H AR Zeval O OH H H HO H O H OH OH H OH H OH H OH OH/ H H Lactose H OH НО. H OH H H Sucrose The structures of the disaccharides lactose and sucrose are shown above. a) Identify the monosaccharide residue that is common to both disaccharides. OH b) Identify and explain the diastereomeric relationship between two of the monosaccharide units in these sugars. c) Draw a simple mechanism for the lactase-catalyzed cleavage of the glycosidic bond in lactose. d) Explain why lactose and sucrose give different results in the Benedict's test.
2. Draw the structure of the disaccharide a -glycosyl(1-6)-galactose in the B anomeric form and circle the part of this structure that makes the compound a reducing sugar.
In addition to have polyalcohol groups, what functional group(s) do monosaccharides have? O a. aldehyde group O b. both ketone and aldehyde groups O C. ether group O d. either ketone or aldehyde group e. ketone group Jump to... You are logged in as Alanie Fontenot (Log out) CHEM 1001/LEC/001X-2021/SPRING/SEM
1. Identify the anomeric carbons on sucrose and explain how they are different from lactose and cellulose. 2. On Wikipedia (image pictures below) sucrose is labeled β-D-Fructofuranosyl α-D-glucopyranoside. But the anomeric carbon has the oxygen pointing down and other stereocenters inverted from that of fructose. Did Wikipedia incorrectly name it? Or can you explain why this is the case using structures of sucrose, fructose and glucose…
What is the type of isomerism in the given pairs? 1. D-Allose & D-Idose 2. D-Glucose & D-Mannose 3. a-D-Mannopyranose & b-D-Mannopyranose 4. L-Erythrose & D-Erythrose 5. D-Glucose & D-Fructose
Is this a pentose or octose? Thanks
Draw the structures (chair, where applicable) of the following derivatives of monosaccharides. 1. b-D-galactose-1-phosphate 2. 2-amino - a-D-glucose (or glucosamine) 3. 2-Deoxyribose 4. b-D-fructose – 1,6-diphosphate
3. Consider the two following monosaccharides. -HO- но О он H H H H H он H OH Но H OH OH OH Draw the disaccharide that forms between the two in which the glycosidic bond is an a (1→4) linkage. The monosaccharide on the left should be the "left-most" structure you draw. oints) (2inlo0.25slussiom giwolot losee (ajnodis lsida o al
2.Complete these word equations. (product /examples) a. (monosaccharide)n b. Glucose + Glucose c. Lactose + Hydrolysis d. Non-reducing Disaccharide + Hydrolysis =

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1. Draw the L-glucose, L-galactose, L-mannose, and L-fructose structures in Fisher and Chair confirmer (a form).