Solve correctly please Determine whether each of the amino acids is polar, nonpolar, positively charged, or negatively charged at pH 7.Polar and neutral.lysineHH₂C-C-COO1NH;OOC-CH₂-CH₂-C-COOcooNH₂GinNonpolarProAnswer BankaspartateOHH₂N-C-CH₂-C-COOPositively chargedNH₂hydrophobic amino acidsNegatively charged

Amino acids are fundamental building blocks of life. They form the basic units that make up…

Answered: Determine whether each of the amino…

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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Indicate which of the amino acid residues in the following peptide sequence contains a group that has a positive charge for its most likely charge state at pH 10. Asp-Tyr-Lys-GIn-Thr-Ile-Phe-Met-Ser (If none of the amino acids fit the criterion, select "none".) Asp Tyr ооооооооо Lys Gln Thr lle Phe Met Ser none
Amino sequence: Gln-Glu-Val-Leu-Ile-Arg-Leu-Phe-Lys-Gly-His-Pro-Glu-Thr-Leu-Glu-Lys-Phe-Asp-Lys-Phe-Lys-His-Leu-Lys-Ser-Glu-Asp-Glu-Met-Lys-Ala-Ser-Glu-Asp-Leu-Lys A) List the fragments generated with trypsin: B) List the fragments generated with chymotrypsin (5 pts) (assume reaction conditions are used to maximize cutting to the C-terminal size of only the 3 aromatic amino acids.)
D raw the full structure of the following tetrapeptide . Label the N terminaland C terminal residues. Phe - Cys - Ser - Ile
Calculate the net charge of the following peptide at pH 2, pH 6 and pH 14 (use 2 and 9 as pKa values for the carboxylic acid and amino groups, respectively, use the attached table for the side chain pKa values). Ile-Leu-Ile-Lys-Glu-Cys-His-Glu-Met-Ile-Ser-Thr-Arg-Tyr
Which of the following amino acids would you least expect to find on the surface of a water-soluble protein? Explain I Serine Glutamat Lysime Threonine
Identify the polar amino acids, the aromatic amino acids,and the sulfur-containing amino acids, given a peptide with thefollowing amino acid sequence:Val-Met-Ser-Ile-Phe-Arg-Cys-Tyr-Leu
Examine the peptide. Thr‑Lys‑Pro‑Ile‑Val‑Ala‑Pro‑Met‑Glu‑Tyr‑Gly‑LysThr‑Lys‑Pro‑Ile‑Val‑Ala‑Pro‑Met‑Glu‑Tyr‑Gly‑Lys Write the sequence using one‑letter abbreviations. Estimate the net charge on the peptide at pH 7. Estimate the net charge on the peptide at pH 12.
Which of the following statements is true In ABO blood typing, lack of glycosyltransferase and galactosyltransferase produces AB blood group O Lipid compositions of membrane mono-layers are symmetrical O Unsaturated fatty acids have double bond(s) in the cis configuration O Sphingomyelin posses phosphoryl serine in addition to two long hydrocarbon chains, one contributed by a fatty acid and the other by sphingosine
Polar and neutral HO H OOC-CH₂-CH₂ C-COO NH3 NH3 CH₂-CH-C O Nonpolar hydrophobic amino acids Met lysine Answer Bank aspartate Positively charged Ser Negatively charged H H3C-C-COO NH3
the overall, net ionic charge on this peptide at pH = 7 would be: Cys - Ala - Glu-Arg - Met - Ser
02-CH-CH Gln12 Regions of 2 receptors that interact on dimerization are shown below. Identify the types of interactions between amino acids based on their interacting side chains (figures of amino acids also provided). Receptor 1 Cys36 Cys$2 CH2 Receptor 2 HS-H2 S-CH Ala45 CH, Cys75 Asp68 HN-CH-CH-CH-CHst Lys65 CH Ser53 -CH,-OH HN CH H,C Phe50 Val98 Interacting Amino Acids Type of Interaction Ser53:Gln12 Asp68:Lys65 Cys75:Cys82 Phe50:Val98 Amino Acids: H. H-C-CH,- H-C-CH, H-C-CH,CH,CCH,-N,
A peptide has the sequence Glu–His–Trp–Ser–Gly–Leu–Arg–Pro–GlyGlu–His–Trp–Ser–Gly–Leu–Arg–Pro–Gly The p?apKa values for the peptide’s side chains, terminal amino groups, and carboxyl groups are provided in the table. Amino acid Amino pKa Carboxyl pKa Side‑chain pKa glutamate 9.609.60 2.342.34 4.254.25 histidine 9.179.17 1.821.82 6.006.00 tryptophan 9.399.39 2.382.38 serine 9.159.15 2.212.21 glycine 9.609.60 2.342.34 leucine 9.609.60 2.362.36 arginine 9.049.04 2.172.17 12.4812.48 proline 10.9610.96 1.991.99 Calculate the net charge of the molecule at pH 3.

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