9L.9 sacchandes.cyclicmonosaccharide is shown using a Haworth structure.The following animation shows how to convert anopen-chain sugar to a ring structure. (Figure 1) TheOH group points down for the a anomer and up forthe 3 anomer.Figure0=0=-C-OH1 of 2Ignoring chirality, draw the Haworth structure of allose. The open-chain Fischer projection for themonosaccharide is given here. (Figure 2) Include only the hydrogen atoms attached to the oxygen atomsin the OH groups when drawing the cyclic form.Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, andAdvanced Template toolbars. The single bond is active by default.► View Available Hint(s)Z L[1]ASubmitProvide Feedback1LH2D EXP. CONT.LMarvin JSby ChemAxonHCNOSCIBrIPFNext > Figure||C-HH-C-OHH-C-OHH-C-OHH-C-OHICH₂OH<2 of 2>

Haworth projection is a 3D projection of steriochemistry of cyclic sugars.Fischer projection is 2…

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Biochemistry

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Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter26: Synthesis And Degradation Of Nucleotides

Section: Chapter Questions

Problem 17P

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. Draw Haworth projections for the following: (a) CHO in a-furanose form. Name the sugar. H-C-OH | HO-C-H H-C-OH CH,OH (b) The L isomer of (a) (c) a-D-GlcNAc (d) a-D-Fructofuranose
Cyclic forms of D-glucose: Haworth formula The furanose and pyranose forms of D-glucose can be presented using Haworth formula. The following templates are used for this formula. Note the numbering of the carbon atoms and the anomeric carbon (this carbon defines the alpha and beta isomer). Furanose template (furan) Pyranose template (pyran) anomeric carbon anomeric carbon Compare the Fisher and Haworth formula of D-glucofuranose and D-glucopyranose. Notice that the groups attached to C-1, C-2, and C-3 on the left side of the Fisher formula are written above the plane of the furanose template. Fisher formula Haworth formula H FOH H-2 HOH,č 5 -OH FOH- H HO-3H 4 он H 1 H-4 H-5 H OH 3 6 CH2OH H OH Alpha-D-glucofuranose Alpha-D-glucofuranose HOH2C- он OH но H FOH- OH Но H H. OH H ČH2OH Beta-D-glucofuranose Beta-D-glucofuranose
cotton. Which aspect of the structure of cellulose accounts for its strength? Cellulose is an abundant structural polysaccharide found in plant cell walls, wood, and interchain hydrogen bonding between extended molecular chains repeating unit of N-acetylglucosamine a(1→4) linkages between glucose units branches that occur every 12-30 residues forms a helical conformation in water Which of the following is not correct about chitin? fundamental constituent of the exoskeletons of crustaceans, insects, and spiders b) chitin chains form extended ribbons that pack side-by side a) similar to cellulose but with repeating units of N-acetyl-D-glucosamine c) d) found mainly in the liver in humans, making up as much as 10% of liver mass stacked sheets of chitin strands are stabilized by intrastrand, interstrand, and intersheet hydrogen bonds
Long explanations are not needed. Direct answers would suffice. ***kind of in a hurry so having the answer asap would greatly be appreciated, thank you :)) a. Glucose and fructose are functional isomeric monosaccharides having anomeric carbons at C-1 and C-2, respectively. i. True ii. False b. β-D-2-Deoxyribose is an aldopentose component of the nucleic acid structure with its –OH group at C-3 reduced to –H. i. True ii. False
Hi, can somoene help me please. -The format for the naming would include the linkage like : alpha-fructo(1->6)-galactose (just for example) - If it also has a reducing sugar and which? Thank you!
On the trail of carbons. Tissue culture cells were incubated with glutamine labeled with 15NN in the amide group. Subsequently, IMP was isolated and found to contain some 15N.N. Which atoms in IMP were labeled?
Be sure to answer all parts. Draw the s-trans and s-cis conformations of the peptide bond in the dipeptide Ala-Ala. Be sure to show appropriate stereochemistry for the natural amino acid and the alkenes. I I I I I draw structure... s-trans draw structure ... s-cis
Cyclization of monosaccharides: A Aldopentoses can form both pyran and fu- ran rings. B] Pyran rings are more stable than furan rings and are thus more abundant; |C Ketohexoses can only form furan rings; D Preferentially involves a primary alcohol function, because it is more reactive than a secondary alcohol function; E Ketopentoses can only form pyran rings and not furan rings;
Drawing the Structure of a Glycopeptide (Integrates with Chapters 4and 5.) Consider the peptide DGNILSR, where N has a covalentlylinked galactose and S has a covalently linked glucose. Draw thestructure of this glycopeptide, and also draw titration curves for theglycopeptide and for the free peptide that would result from hydrolysis of the two sugar residues.
a. Identify the disaccharide in the photo. b. the glycosidic linkage in this disaccharide is what? α (1-2) linkage β (1-4) linkage α (1-4) linkage β (1-2) linkage c.Is the disaccharide below a non-reducing sugar?
Long explanations are not needed. Direct answers would suffice. a. Which of the following is NOT an example of structural polysaccharides? I. amylose II. cellulose III. chitin b. Which of the following is the epimer of glucose at C-2? I. gulose II. galactose III. mannose IV. fructose V. talose
. Dextrans are polysaccharides produced by certain species of bacte- ria. They are glucans, with primarily a (1→6) linkages and with frequent a(1 → 3) branching. Draw a Haworth projection of a por- tion of a dextran, including one (1→ 3) branch point.

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