Determine whether each of the amino acids is polar, nonpolar, positively charged, or negatively charged at pH 7.Polar and neutralaspartateHSerH₂N-C-CH₂-C-COONH3lysineLeuNonpolarAnswer BankHOOC-CH₂-CH₂-C-COONH3Positively chargedHCH₂-C-COONH3hydrophobic amino acidsNegatively charged

Amino acids are biomolecules that have an amino group and a carboxyl group linked to the same carbon…

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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Similar questions

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
D raw the full structure of the following tetrapeptide . Label the N terminaland C terminal residues. Phe - Cys - Ser - Ile
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
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.)
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
does all 20 amino acids soluble in organic solvents like acetone and chloroform? true or false
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
the overall, net ionic charge on this peptide at pH = 7 would be: Cys - Ala - Glu-Arg - Met - Ser
Glutamate ,tryptophan,leucines,tyrosine, phenylalanine Which of the following amino acid is the most soluble in water at pH7 & why?
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…
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.
are all 20 amino acids insoluble in water? truee or false 7

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