plz solve both I'll upvote In this peptide the amino terminus is the aminoacidCys-Ala-Gly-Arg-Gln-Meta.argb.Сysc.glnd.mete.None of these.The peptide bond *A. is formed by elimination of water betweentwo amino groups in an amino acidB. limits the possible orientations of the peptidebackbone in a proteinC. has acidic and basic characteristicsD. all these

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Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter7: Gene Expression And Control

Section: Chapter Questions

Problem 2CT

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What is the N and C terminal sequence of this amino acid?
Which of the following peptides will likely form a loop or turn in a protein and explain why
Classify the type of amino acid side-chains in the peptide
0ミレーNレ NH geometry on both cand N. Torigonal plannes CH - C-N o=), HN CH2 CH-C-OH (a- carbon) CH2 HooC Aspaxagine - Toline - Valine - Arginine - phenylalcmine - Glutamic ocid. 1.Give the name and three letter code for each amino acid in the peptide. e 2. At pH 7, approximately what charge would be on your peptide? Explain your answer. 3. Can your peptide form intra/interchain disulfide bonds? Explain why/why not. e 4. Will your peptide absorb UV and is it fluorescent? Explain why/why not. e 5. What is the probability that your peptide contains a cis peptide bond? Explain your answer.
+H₂N-CH-COO™ T CH₂ I CH₂ 1 CH₂ I +H₂N-CH₂ A. O amino acid C amino acid D O amino acid E amino acid B +H₂N-CH-COO™ I CH₂ I CH₂ 1 O amino acid A C=0 B. If the pH decreases enough, this amino acid will become protonated and could contribute to the denaturation of the protein. +H₂N-CH-COO™ 1 CH₂ I OH C. +H₂N-CH-COO™ CH H₂C CH3 D.
Write the structure of each of the following peptides. Start with the N-terminal and the COO- on the right end. His-trp-cys Gly-leu-ser Arg-ile-val His-arg-lys
Which of the following is incorrect about the peptide Arg-Asp-Cys-Tyr-Gln-Arg-Glu? O a. Its estimated MW is 770 Da b. None; all the other choices are correct OC. At pH 7, it has a net charge of zero O d. At pH 7, it has six charged groups
For the peptide Ala-Cys-His-Ile-Leu-Asp a. Write the single letter code for the amino acid residues b. What is the charge of the peptide at pH 7.0. Assign the following pKa values: 3,4,6,8,9 c. What is the pI of the peptide
A tetradecapeptide (14 amino acid residues) gives the following peptide fragments on partial hydrolysis. From this information, deduce the primary structure of this polypep- tide. Fragments are grouped according to size. Pentapeptide Fragments Tetrapeptide Fragments Phe-Val-Asn-Gln-His Gln-His-Leu-Cys His-Leu-Cys-Gly-Ser His-Leu-Val-Glu Gly-Ser-His-Leu-Val Leu-Val-Glu-Ala
The R group in alanine is –CH3, whereas the R group in aspartic acid is -CH2CO2H. After consulting Figure 1-34, draw thecomplete Lewis structure for each of these amino acids.
+H₂N-CH-COO™ 1 CH₂ I CH₂ I CH₂ I +H₂N-CH₂ A. amino acid C amino acid B +H₂N-CH-COO™ O amino acid A O amino acid E O amino acid D ___ C=0 B. +H₂N-CH-COO™ CH₂ T OH C. This amino acid participates in hydrogen bonds to stabilize tertiary structure. +H₂N-CH-COO™ CH H₂C CH3 D.
Which of these amino acids is a polar, uncharged amino acid? (Select all that apply, if necessary.) A. B. D. E. CHLO H₂N-CH-C CH₂ CH₂ CH₂ NH C=NH2 NH₂ amino acid A amino acid C amino acid D amino acid B amino acid E H₂N-CH-C CH₂ _i_g C. H₂N-CH-C- CH2₂ I CH₂ =0 NH₂ H₂N-CH- CH₂ CH-CH3 CH3 H₂ND H₂N-CH- | CH₂ Ï OH

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In this peptide the amino terminus is the amino Cys-Ala-Gly-Arg-Gln-Met acid a.arg b.Cys