A) Can you please tell me which of these A.A have a negative side chain? Names of choices in picture provided. B) Can you please tell me which A.A have a hydrophobic side chain and why?  Names and choices in picture provided.

Q: 13.14) How many distinct tripeptides can be made from Glycine (Gly) and/or Alanine (Ala)? HINT: List…

A: A peptide is a short chain of amino acids linked via peptide bonds. A peptide bond is formed between…

Q: List two types of DNA mutations and state which one is more likely to have a severe effect on the…

A: DNA mutations are a sudden change in the DNA sequence. Mutations can be caused by various factors,…

Q: Calculate the pI for the following tri-peptide: Glu-Arg-Lys

A: pI or isoelectric point is the pH at which a peptide or molecule is electrically neutral. The pH of…

Q: Normal hemoglobin (HbA) leu thr glu glu lys Sickle cell hemoglobin (HbS) leu thr pro val glu lys ser…

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Q: a) Draw amino acid (L- Cysteine) and determine the net chagre at each pH (1-3-7-10-13-) b) Calculate…

A: Amino acids are biomolecules with a hydrogen atom, an amino group, a carboxyl group and a chemically…

Q: A) Draw the "standard" base pairs (A:T and G:C) but instead of using the most common form of each…

A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which one…

Q: As an example, consider albumin, a protein made of a single polypeptide weighing 66,000 daltons (66…

A: Gel electrophoresis if the technique of separation of molecules on the basis of their size and…

Q: D. Explain why a protein (polypeptide chain) will assume a different 3-dimensional structure in: (1)…

A: The three-dimensional structure of a protein, also known as its native conformation, is critical for…

Q: Find the charge of the peptide KEALYR at pH 7.2. Below is the pKa chart. Provide your answer up to…

A: Before going into the intricate and precise calculation that gives us the charge of the given…

Q: So which form of the arginine side chain is the ionized form? And when the side chain is ionized the…

A: Arginine is an amino acid with a side chain that contains a guanidine group. In its conjugate acid…

Q: I was given an amino acid position 564 with the PDC code 2V1X. Would it be possible to describe why…

A: A mutation is a change in the DNA sequence of an organism. Mutations can be caused by errors in DNA…

Q: What moieties within oligopeptide are those mainly responsible for the formation of an alpha-helix?…

A: Proteins or polypeptides are the biomolecules that contain amino acids bonded via peptide bonds.…

Q: Identify the amino acid (s) present in this structure. serine valine threonine tyrosine cysteine…

A: The molecule in question is a dipeptide i.e. 2 amino acids joined together via a peptide bond. In a…

Q: 13.13) Write the names (using the three letter abbreviation method) of all of the tripeptides that…

A: Tripeptide is the macromolecule formed from three amino acids. Amino acids are joined by peptide…

Q: calculate the molecular weights of proteins

A: Amino acids are the monomer units of peptides and proteins and they vary from 89 Dalton (Alanine) to…

Q: w the polypeptide T-R-I-P at pH of 7. Label each residue with the 3-letter code, el the N- and…

A: In a polypeptide chain N terminus is formed by amino group. C terminus  Is formed by carboxyl group

Q: Write down the values in bold print. You are isolating a protein with a pl of 8.5 using cation…

A: As given in the question, a protein with pI of 8.5 was isolated using cation exchange…

Q: Calculate the pl of the amino acid using the titration curve. 04 pH 0 6 8 SO 10 O 12.0 12 10.0 8.0…

A: Pi is the isoelectric point. This is the pH at which the Amino acid carries no net charge. The…

Q: Which of the following amino acids have basic (i.e., positively charged) side chains? Serine…

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Q: Draw the structure of the dipeptide that is formed at physiological pH when alanine is the…

A: A dipeptide is an atom made up of two amino acids connected together. Alanine being the N-terminal,…

Q: Please draw the titration curve Arginine (y-axis: pH, x-axis: moles of OH-). Label the graph with…

A: Arginine is a basic amino acid with a guanidino group in its side chain. Arginine has three…

Q: Identify and briefly describe the different PEGylation strategies you can use to PEGylate this…

A: PEGylation refers to the process where polyethylene glycol polymer is chemically added to a protein…

Q: Provide the number of polypeptide chains present and the number of amino acid residues in each…

A: We need to tell how many polypeptide chains are there and how many amino acid residues are found in…

Q: You are analyzing the peptide ala-ile-glu-lys-phe-val- tyr-cys. If you treat the peptide with…

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer the first…

Q: Can the same pepptide be used in multiple different proteins? yes or no, explain.

A: Proteins are one of the essential biomolecules necessary for biological cells…