CH2OHCH2OHНо-HH-HO-H-ОНHO--HH-HO-Но-HČH2OHČH2OHD-FructoseL-FructoseOption 3H.1CH2OH2H-ОНHO-HO-H-4ОНH FOHOHH-HO-6CH2OH6CH2OHО Option 4 3. Which of the following pair is an -enantiomeric pair?H--O-НоНоH-FOHH--HO-HO-H-O-НоČH2OHČH2OHD-GlucoseL-GlucoseOption 1H-OHHO-Но-H-HO-Но-H--HO-H-HO-ČH,OHČH2OHD-GalactoseL-GalactoseOption 2エエ

Enantiomeric pairs are the isomers that are non-superimposable mirror images of each other. they…

Answered: 3. Which of the following pair is an…

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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why is CH3-CH-CH2-CH2-CH3 non imposable ? I OH
In the following scheme: HH, H₂C-C-C-Coo II HO H • NH, 1 H₂C-C-C-C000 H 2-Amino-3-ketobutyrate ↓ O H,C-C-CH₂-NH₂ Aminoacetone 0 0 H₂C-C-C-H Methylglyoxal H H₂C-C-COO OH D-Lactate O H₂C-C-C000 Pyruvate What molecule is being metabolized? Identify the reaction at each step. If it is an oxidation-reduction prove this is correct by showing oxidation state changes on the atoms in the structure.
The anomer of a-D-glucopyranose is CH:OH он ÓH CH2OH он он он он CH,OH он он он он CH,OH он OH он ÓH ÇH;OH он он он он
Which of the following is an anomer of B-D-gulopyranose? O O го ОН H ОН H ОН H H ОН CH₂OH -II- H H ОН ОН CH2OH H ОН ОН CH2OH О 0. H CH2OH то Н H H ОН H H - о H ОН ОН H ОН H ОН ОН H О ОН ОН H N
D-Glucose and D-Galactose are A H D C=0 H-C-OH OH C-H H-C-OH H_C-OH CH₂OH D-Glucose ketoses epimers pentoses enantiomers H ... н-с-он OH-C-H он-с-н H-OH CH₂OH D-Galactose
Raffinose (see prev. question for structure) is not digestible by humans yet is found in foods we eat all the time like beans, cabbage, brussels sprouts etc. What 2 human digestible compounds can Raffinose be broken down into? Just as a side note, Raff is NOT digestible by us, but our helpful gut bacteria break it down for us into the 2 compounds that are the answer to this question. O a-D-glucose O B-D-fructose sucrose a-D-galactose Lactose maltose
Following are Fischer projections for a group of five-carbon sugars, all of which are aldopentoses. Identify the pairs that are enantiomers and the pairs that are epimers СНО СНО СНО H-C-OH H-C-OH H-C-OH H-C-OH Но-С—н H-C-OH H-C-OH Но-ҫ—н Но—с—н CHOH CHĻOH ČH,OH СНО СНО СНО Но —С— н H-C-OH HO-C-H Н—С—он Но -С—н HO-C-H H-c-OH H-C-OH HO-C-H CH̟OH ČHĻOH ČHĻOH Pairs of Enantiomers Pairs of Epimers
I. Classify the following pairs according to their specific type of isomerism. Write your answer on the space provided. L-Erythrose and D-Erythrose a-D-Mannopyranose and B-D-Mannopyranose D-Glucose and D-Mannose
What is the glycosidic linkage between monosaccharide I and II? α-(1→2) β-(1→2) β-(1→3) α-(1→3)
Following are Fischer projections for a group of five-carbon sugars, all of which are aldopentoses. Identify the pairs that are enantiomers. CHO сно H-C- OH H-C-OH H-C- OH но-с — н н-с—он но- ČHOH ČH,OH сно CHO Н-с—он но—с— н H-C- OH H-C-OH но—с—н Н-с—он ČHOH ČH,OH сно сно н-с—он но—с —н но—с— н но -с — н H-C- OH но- C-H ČH,OH ČH,OH
Draw the step-by-step procedure of linear form (Fischer Projection) of a- D Glucose and B- D Glucose to Haworth. anomeric carbon H-C-OH HO-C-H H-C-OH H-Č-OH anomers of glucose HO-C-H но-с—н H Č-OH H-C-OH H-ċ-o H-C-0- CH,OH ČH,OH a-D-glucose В-D-glucose
Given is a polypepetide in the presence of the enzyme pepsin. N-gly-arg-met-phe-ala-lys-ser-tyr-gly C, What fragments can be formed? choices are below gly-arg-met + phe-ala-lys-ser + tyr-gly gly-arg-met-phe + ala-lys-ser-tyr + gly gly + arg-met-phe-ala + lys-aer-tyr-gly gly-arg + met-phe-ala +lys +ser=tyr=gly

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3. Which of the following pair is an enantiomeric pair? *