Ala-Arg-Val-His-Asp-Gln Given the polypeptide chain above Estimate the net charge of the polypeptide chain at physiological pH (7.4) and at pH 5.0 . How many peptide bonds are there? What kind of polypeptide is it?

Q: a. What is the charge of the primary structure of proteins at pH = 2.0, 4.0, 6.0 and 11.0 of the…

A: Note: Since we only answer up to 3 sub-parts, we will answer the first question and its subparts.…

Q: A. Write the structure of the following peptide at pH 5.0 and calculate its net charge at this pH.…

A: Hi. Thank you for the question. As per the honor code, We'll answer the first question since the…

Q: Calculate the isoelectric point (pI) of the peptide structure shown. Use table 3.1 for pKa values.

A: The given peptide is Met-enkephalin with a sequence of tyrosine, glycine, glycine, phenylalanine,…

Q: Which types of ion exchange resin will the the peptide Ala-Glu-lle-Lys- Leu-Asp-Gly bind to at the…

A: Ion exchange chromatography consists of column with loaded resin that can exchange oppositely…

Q: Calculate the net charge of the following peptide sequence DAVIRSAXSUEY at pH 7 а. -1 b. -2 с. -3 d.…

A: This peptide contain D, H and E as charged amino acids. all the ionizable groups present in the…

Q: At physiological pH (i.e. 7.4), polylysine assumes a random structure in solution. Given that the…

A: Protein are complex structures made up of polypeptide chains comprising different amino acids.…

Q: Alanine has a strong tendency to form α-helix. A biochemist synthesized a polypeptide consisting of…

A:

Q: Draw the structure of the NDPH peptide at pH 2, with the prolyl peptide bond in the cis…

A: The peptide NDPH sequence is :  H2N- asparagine-aspartate-proline-histidine-COOH

Q: Consider histidine as a free amino acid in aqueous solution. a) Draw the most likely structure of…

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

Q: draw the primary structure of the polypeptide at physiological pH range of 7/35-7/45 using…

A: Polypeptide chains are composed of amino acids bonded to each other via peptide bonds. The N and C…

Q: Can you please help find the side chain?

A: Amino acids are the smallest units that makeup all the proteins or peptides of the cell. Twenty…

Q: Draw the structure of the dipeptide GlyHis. What is the charge on the peptide at pH 5.5? pH 7.5?

A: Dipeptide is the sequence of two amino acids which are joined to each other by the formation of…

Q: The amino acid arginine ionizes according to the following scheme:                  (a) Calculate…

A: Arginine is an alpha amino acid which contains alpha amino group, an alpha carboxyl group, side…

Q: The amino acid glycine is often used as the main ingredient of a buffer in biochemical experiments.…

A: An aqueous mixture of a weak acid and its conjugate base, or the other way around, is known as a…

Q: The oligopeptide isolated from the brain of an animal has the sequence…

A: Introduction :- Proteins are made up amino acids ( linked with each other by the help of peptide…

Q: To calculate the isoelectric point of amino acids having other ionizable functional groups, we must…

A: The isoelectric point is amino acid is the pH at which the amino acid carries no net electrical…

Q: Amino acid Cys has ionizable groups with pKa values 2.0, 8.0, and 10.0.  Determine the charge on the…

A: For cysteine Charge when pH is at 1.0? ____+ve_____        Charge when pH is at 9.0? ____-ve_____

Q: Two peptide sequences are shown below. Peptide A: N-term – GDL – C-term Peptide B: N-term – GTL –…

A: A peptide is a short chain of amino acids that contains one or more amino acids. Peptide bonds…

Q: I’m having hard time finding what charge this is can you please help?

A: Amino acids are the smallest entities that are part of proteins or peptides. Twenty standard amino…

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 using…

A: The primary structure of the polypeptide at physiological pH range of 7.35-7.45 using condensed…

Q: A protein with a known mass of 240 kDa is treated with -mercaptoethanol, a sulfhydryl reducing…

A: Proteins are polymers/chain of amino acids linked by peptide or amide bonds. It is called as primary…

Q: Can you please help find what the n terminal is?

A: The pH of the solution is determined by measuring the acidity and basicity. The pH of less than 7 is…

Q: Let’s consider histidine as a free amino acid in aqueous solution. a) Draw the most likely…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Draw the structure of the pentapeptide aspartic acid-serine-lysineUglutamic acidUtyrosine. Assume…

A: Protein is a polymer of amino acids connected together via peptide bond. Protein is the functional…

Q: Calculate the overall net charge of the following polypeptide at pH = 2.0…

A: The charge calculation on peptides is carried out by looking at the ionizable groups. Charge on the…

Q: The amino acid that is often used as a tag (in a run of 6-8 of this amino acid in a row) for protein…

A: Living cells have a complex system for protein synthesis. Ribosomes synthesize amino acid chains.…

Q: Sketch a titration curve for the following amino acids and indicate the pKa values for all…

A: pKa value: It is a negative log of Ka value, which is acid ionization constant, acid dissociation…

Q: Calculate the net charges of the following peptides at pH 7.4. Indicate which amino acids bear…

A: A peptide is formed by the combination of two or more amino acids. Each amino acid has an acidic…

Q: list the amino acids that will carry a net charge at pH 7 within a protein. What is the charge at pH…

A: Note : Hi ! Thank you for the question. We are authorized to answer one question at a time. Since…

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 using…

A: Protein consist of more than one polypeptide chain and each polypeptide chain consists of amino…

Q: Given the following protein: N-MACHKGFDSTRRKYWQNKRLCVSA|IDWQSPWKNQGILV-C The overall charge of this…

A: (1)The ionizable groups in the given peptide at pH 7 are; N-terminal : it will have +1 charge…

Q: A B Amino Acid Lysine Abbreviation 3- Letters Lys 1- Letter K pk₁ -COOH 2.18 pK₂ -NHS* 8.95 PKR R…

A: Amino acids are biomolecules where an alpha carbon is bonded to an amine group , a carboxylic group,…

Q: dentify the primary structure of a hexapeptide containing five different amino acids if the…

A: The primary protein structure consists of amino acid sequences. Amino acids are arranged by peptide…

Q: draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 using…

A: A polypeptide is an amino acid chain molecule where the carboxyl group of one amino acid is linked…

Q: 2. 1 Calculate the overall charge (pH 7) on the following three polypeptides and answer the…

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

Q: Draw the structure of peptide with the following amino acids Gly-Leu-Ala-Gly-Pro-Hyp. The structure…

A: Amino acids are the basic unit of proteins. There are 20 amino acids that form peptides or protein.…

Q: 1.Histidine has three ionizable functional groups. Write the equilibrium equations for its three…

A: The equilibrium between the weak acid and its conjugate base allows the solution to resist changes…

Q: Protein Isoelectric pH Molecular weight (kDa) Ovalbumin 4.6 45 Insulin 5.4 5.7 Fibrinogen 5.8 340…

A: The isoelectric point of a protein is the pH at which the net charge of the protein is zero. At this…

Q: Lys and Arg Glu and Lys Pro and Asp Among these amino acid combinations listed above, only the…

A: Proteins are composed of a linear chain of amino acids attached together via peptide bonds. All…

Q: Beta-carotene is red-orange pigment abundant in plants and fruits. Assuming that it can be modeled…

A: Beta carotene is an organic compound that is commonly found in algae, plants, and fruits. It…

Q: A sample (660 mg) of a (homo)oligomeric protein of molecular weight of 132,000 Da was treated with…

A: Given Values: Weight of the protein used for the reaction with 2,4 dinitrofluorobenzene = 660 mg…

Q: Modify isoleucine to show the predominant forms at pH 1, 7, and 13. Isoleucine has pK, values of 2.4…

A: Proteins are polymer of amino acids , and each of the amino acid residue is linked to its…

Q: Consider the tetrapeptide C-A-F-E Draw the structure of the tetrapeptide at pH 1.3. What is its…

A: This peptide is composed of four residues, means it is a tetra peptide. This tetra peptide is…

Q: Using the Chou-Fasman rules (without calculating numerical probability) predict the secondary…

A: Chou fasman rules is a method to predict the secondary structural in polypeptide sequence.  It is…

Q: A peptide has the sequence Glu-His–Trp–Ser-Gly-Leu-Arg-Pro-Gly The pK, values for the peptide's side…

A: Amino acids have alpha amino and carboxyl groups that can be titrated. Some amino acids have side…

Q: An organic chemist is generally happy with 95% yields. If you synthesized a polypeptide and realized…

A: Introduction: The series of amino acids connected by an amine bond or peptide bonds are…

Q: (a) A decapeptide has the following amino acid composition: Ala2 , Arg, Cys, Glu, Gly, Leu, Lys,…

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

Q: 3A. For the following tripeptide, provide its full name, abbreviated name, describe what type of…

A: Proteins are the polypeptide molecule that is joined together by the peptide molecule.

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.