2.) An unknown amino acid was subjected to paper chromatography with five amino acid standards in order to identify it. After visualization using ninhydrin, the distances travelled were measured as follows: Distances: Solvent 9.3cm A - 1.1cm B - 4.7cm C - 2.4cm D - 7.6cm E - 8.7cm X - 1.6cm Arrange the amino acids from most non-polar to least non-polar. Sample Rf Value Polarity A B E What is the possible identity of the unknown amino acid? Answer can be up to two amino acids.

Q: Shown are the configuration of a gel electrophoresis experiment. Charged plates establish an…

A: Gel electrophoresis is useful in the separation of DNA fragments on the basis of charge and its…

Q: Each ionizable group of an amino acid can exist in one of two states, charged or neutral. The…

A: Histidine has the three ionizable functional groups and we have to assign proper pKa and net charge…

Q: As we’ve discussed, a peptide bond is made when amino group of one amino acid combines with the…

A: Amino acids contain amine and carboxyl functional group, with a side chain group (R) which…

Q: One of the most advanced methods for determining a protein sequence is tandem mass spectrometry…

A: Tandem mass spectroscopy includes the coupling of two or more mass analyzers to significantly…

Q: Your task is to categorize and tabulate the 20 standard amino acids with the following columns:

A: Amino acid are the building block of protein which contain both acidic COOH and basic NH2 group

Q: Choose from A-F. Two of this amino acid can react with each other (anoxidation reaction) and form a…

A: During the chemical reaction gain of oxygen on the compound is called an oxidation reaction. For…

Q: Question 5 In the majority of a-amino acids, the carboxyl group and the amino group have pKa's of…

A: This Question contains multiple Questions ( means multiple part ) and if Questions have multiple…

Q: Consider the statements below and indicate if they are true or false. Hydrophobic proteins are…

A: Since you have asked a question with multiple sub parts, we will answer the first three parts only.…

Q: Part C: Amino Acids

A: Amino acids are organic acids contains carboxylic acid (-COOH) group and amino (-NH2) group  Each…

Q: Draw a dipeptide that contains two different amino acids where the predominant form is positively…

A: Here we are required to draw the predominant structure of dipeptide at pH=5 and the charge it bear…

Q: Name the tripeptide using the three letter amino acid abbreviations separated by a hyphen. (For…

A: We have to name the peptide and find number of peptide bonds

Q: Draw Tryptophan in a peptide bond. Explain all of the bonds using valence bond theory (VBT). Next,…

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Q: Draw the ionization of each amino acids in varying pH conditions

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Q: 8. The following proteins represent a wide range of molecular weights and isoelectric points. Mr is…

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Q: What is the principal species (PheH+, PheH and Phe) at the following pH for the amino acid,…

A: Given amino acid is phenylalanine. pka1 = 1.83 pka2 = 9.18 Pi is the isoelectronic point where amino…

Q: Examine the peptide. CH3 нно | | | CH,OH wwN-C-C-N-C-C-N-C-C ww I Н | | | нно Determine which amino…

A: Amino acids are the building blocks of proteins. There are 20 standard amino acids that are commonly…

Q: 5.Indicate the amino acid as polar or nonpolar OH CH, O H₂N-C-C-OH H CH: O H₂N-C-C-0 H CH3 CH₂ CH…

A: Since you have posted multiple questions, we will provide the solution only to first three questions…

Q: Which would you expect to be more soluble in water, a peptide containing mostly alanine and leucine…

A: Amino acid are the organic compounds which contains both amines  and carboxylic acids within the…

Q: The image below is a positive ionization mode Electrospray ionization-mass spectrum (ESI-MS)…

A: A multiple choice problem based on mass spectrum, which is to be accomplished.

Q: Denaturation of a protein by acidic or basic solutions often leads to breaking of bonds in the…

A: In denaturation  process  in which proteins , nucleic acid lost their quaternary , tertiary ,…

Q: Question 6 of 25 > Modify lysine to show the predominant form at pH 7. Modify the amino acid by…

A: Amino acids are bullding blocks of proteins. pH measures how acidic or basic a solution is.

Q: identlying and Draw the structure of valyltyrosine, a dipeptide made from valine and tyrosine, as it…

A: Information of question

Q: Complete hydrolysis of a 100.00-g sample of a peptide gave the following amounts of individual amino…

A: Amino acids: Amino acids are the organic molecule which consist of carboxylic acid, an amino group…

Q: Explain why the LC-MS-MS method is superior to the peptide mass mapping method.

A: Peptide mass fingerprinting (PMF) is an analytical technique for protein identification in which the…

Q: Select the pH range where you would find the following amino acid primarily in the ionization state…

A: If the pH is greater than pKa then deprotonation occurs and it exists in deprotonation form. While…

Q: Proteins fold into complex three-dimensional shapes. The function is dependent upon the structure of…

A: Transmembrane domains consist of nonpolar amino acid residues and may traverse the bilayer once or…

Q: In naming an amino acid, how may one indicate whether it is in the D or L configuration? Support…

A: Amino acid are biomecule which are amphoteric in nature due to presence of acid group COOH group and…

Q: Provide the amino acid sequence for human inculin

A: Human insulin is one of the important human hormone that is produced by beta cells of pancreatic…

Q: Which of the following best describes where the amino acids isoleucine and tryptophan are most…

A: 1. The property of hydrophobicityTryptophan and isoleucine are hydrophobic amino acids. Because of…

Q: Glutamic acid (Glutamate) has an R group that has the following pKa values 2.19, 4.25 and 9.6. Draw…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 4) Which of the following is not a primary function of protein in life processes? a) Form cell…

A: Function of proteins: Protein builds and repairs body  tissues, allows metabolic reactions to take…

Q: Using proper convention, provide the amino acid sequence for the following protein.…

A: Using proper convention, provide amino acid sequence for the following :

Q: For the tripeptide ala-lys-phe a) Draw the structure of the peptide you would expect at pH 1. Show…

A: Amino acids are compounds consisting of an amino group and a carboxylic acid. The amino group and…

Q: 10) The drug hydroxychloroquine has three amino groups, identify each as 1º, 2°, or 3°, and whether…

A:

Q: The compound shown below is used to fluorescently label proteins: но. но Which of the following…

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Q: Match the following amino acids with their chemical properties - VA - VB с D A VG O || H CH CH3 CH3…

A: Amino acids contain both amine and carboxylic acid functional groups.. In alpha amino acids the…

Q: Biological Macromolecules Identifying and drawing peptide bonds Draw the structure of…

A: If the pH is greater than pKa then deprotonation occurs and it exists in deprotonation form. While…

Q: Consider the structure of the peptide below. Name it using the three-letter abbreviation.…

A: Amino acids can be defined as the organic compound containing an amino group and carboxylic group.…

Q: Identify the outlined functional groups present in the amino acid and peptide compounds. + H3N-…

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Q: Draw the peptide bond between alanine and threonine. Include all linked atoms. Indicate a…

A: The amide bond formed between the amino acids by the loss of a water molecule is called a peptide…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.