9L.14.2 FigureCH₂OHOHOHOHD-galactose<2 of 2Part BD-galactose (Figure 2) reacts with methanol. Edit the structure of D-galactose drawn below tocreate the glycoside formed.Drag the appropriate labels to their respective targets.► View Available Hint(s)OHOCH3SubmitResetHelp

Carbohydrates such as monosaccharides reacts with methanol in the presence of an acid to form acetal…

Answered: D-galactose (Figure 2) reacts with…

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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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.
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
complete the following mechanism showing the cleavge of the peptide bond for the following cysteine protease reaction. you only need a catalytic dyad for cystein proteases because the pKa of cysteine is low enough (8) and close enough to the pH of 7.4 that is can easily be deprotonated by histidine.
Saponify this mixed triglyceride with 3NaOH
Consider the Haworth projections of f-L-galactose and B-L-glucose shown here. ОН CH OH ОН ОН B-L-galactose enantiomers anomers OH diastereomers epimers ОН CH₂OH OH Which terms describe the relationship between these two sugars? ОН OH B-L-glucose
Identify the structure of O-a-D-sorbopyranosyl-(24)-B-D-glucopyranose below. The following structures will help: НО Н ОН х Н H H D-sorbose Н OH CH₂OH Н Н Н OH HO Н H HO H н HO ОН Н н Н О ОН O H Н CH₂OH OH OH н 0 CH2OH Н OH Н H OH Н CH₂OH H ОН Н OH Н Н Н РО OH Н HO OH н н -O CH2O Н O H H OH н Н OH CH₂OH о CHOH H H Н Ко OH H OH Н Н OH Н OH Н OH Н CH₂OH -OCHOH H OH O CH OH Н OH Н Н CH₂OH ОН он OH OH H OH H O OH CH₂OH OH ОН Н O OH OH D-glucose Н ОН Н ОН ОН
Consider the ff dissacharides.a. Classify the glycosidic linkage as α or β and use numbers to designate its location (e.g. β1→3) b. What monosaccharides are formed when each of the disaccharides is hydrolyzed? c. Draw the chair conformation of each monosaccharide, where applicable.
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?
s) This is a Fish er projecti on of D-f ructose (Fisher projecti on of L-F ructose ). Dra w L-fructose. Inaddition, draw the Haworth projection of a-D fructofuranose and b-D fructofuranose, the cyclic form ofthis monosaccharide. Draw sucrose where indicated below (Haworth projection).
Draw the enediolate intermediate of the ribulose-5-phosphate isomerasereaction (Ru5P → R5P).
It is important to note that galactose is an important component of glyco- proteins. What is the effect on glycoprotein synthesis in case of galactosemic patients who are not given galactose in their diet? Explain this observation.
Use the two Fischer projections shown below to draw the Haworth projection of these two sugars linked by an a(1-2) linkage, with the ß isoform of the ketohexose. H H ㅎ HO H H OH OH ОН Н НО CH₂OH 애,애애 OH CH₂OH OH H OH OH OH I OH CH₂OH OH OH OH Eng са CH2OH CH2OH OH OH ОН ОН CH₂OH Н OH Н Н OH Н T I CH₂OH CH₂OH OH OH OH CH₂OH CH₂OH Н CH₂OH CH₂OH ОН OH OH НО OH H Н OH CH₂OH

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D-galactose (Figure 2) reacts with methanol. Edit the structure of D-galactose drawn below to create the glycoside formed. Drag the appropriate labels to their respective targets. ▸ View Available Hint(s) OH OCH 3 Reset Help