Select all that apply Which of the following isomers of D-glucose would be found in aqueous solution ofD-glucose pH 7? This is a multi-select question.a-D-glucopyranoseB-D-glucofuranosea-L-glucopyranoseB-L-glucofuranoseopen chain form of D-glucose

Glucose is an aldohexose with 4 chiral carbons. So, the total number of possible stereoisomers of…

Answered: Which of the following isomers of…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Modify the structures of D-glucose and D-mannose to show a-D-glucosyl-(1→6)-D-mannosamine. H с H2C ОН с Н ОН Ni/ с ОН Н C I ОН Н 0 Н с CH₂ ОН Н ОН NM! с ジミ Н NH₂ ОН C | Н C
Which of the structures below is that of о-в-D-glucopyranosyl-(1->4)- a-D-glucoругanose CH2OH CH2OH H. OH он H Он OH OH CH2OH HOH2Ć OH он CH2OH CH2OH OH H он H он он CH2OH CH2 OH H OH он OH None of the other structures are correct.
Why is B-D-Glucopyranose in a chair conformation form is the most stable form of glucose present in our body?
An oligosaccharide is a repeating unit of a-D-galactopyranosyl-(a-1 >3)-allopyranoside. Each disaccharide unit is linked via B-1 --->4 glycosidic bond. The oligosaccharide has 10 monosaccharide residues. Required: Is this oligosaccharide a good substrate for glycolysis? Why or why not? Provide two reasons and discuss corn prehensively.
Which bond(s) in α-D-glucose must be broken tochange its configuration to β-D-glucose? Which bond(s) to convert D-glucose to Dmannose? Which bond(s) to convert one “chair” form of D-glucose to the other?
The following structure is sorbose Answer the following questions and briefly explain Draw β-D-sorbufuranose Draw β-D-sorbufuranosyl(2->1) β-D-glucopyranoside. Is this reducing sugar? What would be the probable function of this disaccharide, structural or storage?
What sugar units make up the structure shown? ÇH,OSO;- но Po- H H. ÇOO- NHCCH, H OH H H OH O D-Glucuronate and N-Acetyl-D-galactosamine-6-sulfate O D-Glucuronate and N-Sulfo-D-glucosamine-6-sulfate O D-Iduronate and N-Acetyl-D-galactosamine-6-sulfate O D-Glucuronate and N-Acetyl-D-glucosamine-6-sulfate
Name which, if any, of the following are epimers ofd-glucose: d-mannose, d-galactose, d-ribose
An amylose chain is 5000 glucose units long. At how many places must it be cleaved to reduce the average length to 2500 units? To 1000 units? To 200 units? What percentage of the glycosidic links are hydrolyzed in each case? (Even partial hydrolysis can drastically alter the physical properties of polysaccharides and thus affect their structural role in )
write the one letter code for oligopeptide ser-cys-ille-glu-Asn-cys-glu and calculate the total charge on it at pH 4.5 (pKa of Glu side chain is 5.0)
Are fatty acid propyl esters (biodiesel) formed in the acid-catalysed esterification/transesterification reaction on waste oil more or less polar than glycerol? Briefly explain.
1.Ala-Phe-Lys-Val-Val-Glu From the above polypeptide, what amino acid/s go/goes inside the cell after the following treatment: Chemotrypsin, thermolysin, then finally pepsin. What protein is left undigested? Write the primary structure of the undigested protein? 2.K-V-F-W-P-L-A-Y a.Chemotrypsin treatment b.Trypsin treatment c.Pepsin treatment d.Thermolysin treatment 3.Total acid hydrolysis of a pentapeptide complemented by total alkalinehydrolysis yields an equimolar mixture of 5 amino acids listed alphabetically, ala-cys,lys,phe,ser. N-terminal analysis with phenylisothiocyanate (PITC) generate PTH-ser. Trypsin digestion produces a tripeptide where N-terminal residue is cys and a dipeptide with ser as its N- terminal.Chemotrypsin digestion of the above tripeptide yields ala plus another dipeptide. A.What is the amino acid sequence of the tripeptide B.What is the amino acid sequence of the dipeptide derived from trypsin digestion? C.What is the primary structure of the original…

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Which of the following isomers of D-glucose would be found in aqueous solution of D-glucose pH 7? This is a multi-select question. a-D-glucopyranose B-D-glucofuranose a-L-glucopyranose B-L-glucofuranose open chain form of D-glucose