5Are the pairs of structures shown below constitutional isomers, enantiomers,diastereomers, or the same? What is the degree of unsaturation for the compound in entry(e)?(a)(b)EtEt(c)(d)FH3C(e)(f)HMe.-МеMe"OHFOHÓHMeDegree of unsaturation =

Isomers: They are chemical compounds with the same molecular formula but different structural…

Answered: 5 Are the pairs of structures shown…

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

See similar textbooks

Similar questions

2) Draw the skeletal (line-boad) structure for 2-methylbutanediaicacid. 3) Draw the skeletal structuce for (E)-3-phenylbut - 2-cnois acid. 4) Draw the skele tal structure for (2)-3-chloro-2- phenylprop-2-enaic acid. 5) The common fea ture of all esters is the presence of a A)-OH group B)-CE8)OH group C)-C(=0)H group D)-C(=0)OR group. 6) Draw the skeletal structuce of 3,3-dimethylbutanenitrile
1. (a) The diagram below shows a structure of monosaccharide. CH,OH C=0 H-C-OH НО—С—Н ČH,OH i. Draw the figure above on your answer sheet and indicate ALL chiral carbon(s) in your figure with *. ii. With reference to the number of carbon, the type of carbonyl group and D/L configuration, suggest a name consisting these three properties to describe the monosaccharide shown above. Explain why this monosaccharide is in D- or L- configuration as you suggested in (ii). 111. (b) The diagram below shows different configurations of glucose. CH,OH CHO ÇH,OH H H-C-OH O. OH H. H. OH H. H OH HO-C-H но H-C-OH но H. H-C-OH OH OH ČH,OH A В C i. Which glucose molecule, A or C, is in a configuration? Explain. ii. What is the name of the conversion among different configurations? iii. Glycosaminoglycans (GAG) consist of modified sugars. Give a name of the typical modification to the sugar. What makes GAG ideal for the fluid in the joints? to
23
9 draw an isomer of the triglyceride in sunflower seed oil. Show the reaction and write out the products when this triglyceride is hydrogenated.
Consider the structure shown below. он 3 5 CH; O CH, O H CH; O 1 H-N-CH,-C-N-CH;-C-N-CH-C-N-CH-C-N-CH-C-ơ 2 H. H H Fill in the blank with an integer (1, 2, 3, 4, 5..) as shown in the diagram or to represent a specified number. A hydrophilic side chain is indicated by the number
13. The structures of sphingosine and choline are given below. Draw the condensed structure and block diagram of the sphingolipid formed from these molecules and a molecule of myristic acid. CH3-(CH2)12-CH=CH-CH-OH CH₂ CH3-N-CH2-CH2-OH CH-NH2 sphingosine CH2-OH CH3 choline BLOCK DIAGRAM (draw below) CONDENSED STRUCTURE 14. Which fatty acid below should have the highest melting point? Why? Explain your answer based on structure and forces of attraction. OH O OH TOH OH
6 (a) A decapeptide has the following amino acid composition: Ala2 , Arg, Cys, Glu, Gly, Leu, Lys, Phe, Val Partial hydrolysis yields the following tripeptides: Cys-Glu-Leu + Gly-Arg-Cys + Leu-Ala-Ala+ Lys-Val-Phe + Val-Phe-Gly. Reaction of the decapeptide with 2,4-dinitrofluorobenzene yields 2,4-dinitrophenylysine. From the experimental data, deduce the primary structure of the decapeptide. (b) Suggest a scheme you will follow to synthesize the dipeptide Ala-Gly
2. | Calculate the overall charge (pH 7) on the following three polypeptides and answer the questions below. Assume the following pKa values: N-terminal –NH3®, 7.0; all -COOH groups, 4.0; Arg, 12.5; Cys, 8.4; His, 6.0; Lys, 10.0; Tyr, 10.0. (A) Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Lys–Pro–Val–Gly–Lys–Lys–Arg-Arg-Pro-Val-Lys–Val-Tyr-Pro-Asp-Ala -Gly- Glu-Asp-GIn– Ser-Ala-Glu-Ala-Phe-Pro-Leu-Arg-Glu-Phe (B) Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Ala-Pro-Val-Gly-Glu-Glu–Cys-Asp-Pro-Val-Glu–Val–Tyr-Pro-Asp- Ala-Gly-Glu-Asp-Gln-Ser-Ala-Glu-Ala-Phe-Pro-Leu-Glu-Phe-Cys-Ser-Tyr-Ser-Met-Glu–His-Phe-Asp-Trp-Gly- Asp-Pro-Val-Gly-Pro-Asp-Ala-Gly-Asp-Gln-Pro-Val–Gly–Glu-Glu-Cys-Asp-Pro–Val-Glu–Val–Tyr-Pro-Asp-Ala (C) Gly-Ser-Val-Arg-Asp-Pro-Val-Lys-Glu-Val-Tyr-Pro-Asp- Lys–Ala-Gly-Arg-Glu-Ser-Arg-Ala (d) Which of the three peptides would migrate the closest to the anode in isoelectric focusing? (e) Which of the above peptides would elute last from a gel filtration column? (f) Which of the three…
I. Write a balanced chemical reaction, complete with chemical structures, to show the hydrolysis of iso-C to U. II. Draw the mechanism by which iso-G converts to its "minor tautomeric form complementary to U." You may propose either an acid or base catalyst. III. Draw chemical structures of the minor tautomeric form of iso-guanine (iso-G) and uracil (U), showing the non-covalent bonding (H-bonding) interactions between them.
What prefixes are used in naming the following?(a) A 1,3-disubstituted benzene(b) A 1,4-disubstituted benzene
1
7. Identify the primary structure of a hexapeptide containing five different amino acids if the following smaller peptides are among the partial hydrolysis products: Gly-Cys, Ala-Ser, Ala-Gly, and Cys-Val-Ala

SEE MORE QUESTIONS

Recommended textbooks for you

Biochemistry

ISBN:

9781319114671

Author:

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

Publisher:

W. H. Freeman

Lehninger Principles of Biochemistry

Biochemistry

ISBN:

9781464126116

Author:

David L. Nelson, Michael M. Cox

Publisher:

W. H. Freeman

Fundamentals of Biochemistry: Life at the Molecul…

Biochemistry

ISBN:

9781118918401

Author:

Donald Voet, Judith G. Voet, Charlotte W. Pratt

Publisher:

WILEY

Biochemistry

ISBN:

9781319114671

Author:

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

Publisher:

W. H. Freeman

Lehninger Principles of Biochemistry

Biochemistry

ISBN:

9781464126116

Author:

David L. Nelson, Michael M. Cox

Publisher:

W. H. Freeman

Fundamentals of Biochemistry: Life at the Molecul…

Biochemistry

ISBN:

9781118918401

Author:

Donald Voet, Judith G. Voet, Charlotte W. Pratt

Publisher:

WILEY

Biochemistry

ISBN:

9781305961135

Author:

Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal

Publisher:

Cengage Learning

Biochemistry

ISBN:

9781305577206

Author:

Reginald H. Garrett, Charles M. Grisham

Publisher:

Cengage Learning

Fundamentals of General, Organic, and Biological …

Biochemistry

ISBN:

9780134015187

Author:

John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson

Publisher:

PEARSON

SEE MORE TEXTBOOKS

5 Are the pairs of structures shown below constitutional isomers, enantiomers, diastereomers, or the same? What is the degree of unsaturation for the compound in entry (e)? (a) (b) Et Et (c) (d) H3C (e) (f) Me -Me "OH FOH Me ОН Me Degree of unsaturation =