Calculate the number of millimoles(mmol)in 500 mg of each of the following amino acids: alanine (MW=89), leucine (131), tryptophan (204), cysteine (121), and glutamic acid (147).

Q: Give the full name of the amino acid and based on the structure of the side chain is it hydrophobic…

A: Concept:  Amino acid:Amino acids are organic molecules which combine to form proteins molecule.…

Q: Click or Tap on the second prominent form of arginine at pH 6.0 in the picture below? 260, 161 H3N+…

A: 1- In this question, we will see the second prominent species forn of arginine at pH = 6.0  You can…

Q: lonization State of Histidine Each ionizable group of an amino acid can exist in one of two states,…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: All amino acids have two ionizable functional groups: an a-amino group (average pk, of 9.4) and an…

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Q: Explain which amino acids are acidic, which are basic, and which are neutral. Use theisoelectric…

A: Amino acids: At isoelectric point, proteins are neutral.

Q: At very low pH, alanine is a diprotic acid that can be represented as H3N1-CH(CH3)-COOH. The pKa of…

A: A diprotic acid contains two types of acidic groups. The amino acid contains these two groups: 1.…

Q: The amino acid alanine is a solid at room temperature and has a melting point of 315 °C, while…

A: Reason to explain the existence of solid form of alanine but liquid form of pyruvic acid at room…

Q: If you were to design a small peptide with a large net negative charge at physiological pH, which…

A: A question about biochemistry, which is to be accomplished.

Q: Which of the following statements BEST describe the given chromatogram?     Peaks 14, 18, 20 and…

A: To determine which statement best describes the given chromatogram.

Q: Consider an amino acid (A) with no ionizable side chains, and call the three species involved in the…

A: Using Hendesen-Hasselbalck equation pH = pKa + log([HA]/[H2A+]) with, [HA] + [H2A+] = 1 mM [HA] = 1…

Q: A given glycine solution was titrated against NaOH and pH of the final solution was 4.8. Given that…

A: Given amino acid is glycine.  pKa1 is given as 2.34 and pKa2 is given as 9.60.  Concentration of…

Q: Calculate the pH at which the e-amino group of lysine is 25% dissociated.

A: Step : 1             Calculate the pH at which the e-amino group of lysine is 25% dissociated.

Q: What is the approximate ratio of the base to acid forms of the amino acid glutamate contained within…

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Q: 10. Consider the amino acids glycine, valine and lysine. a. How many tripeptides can be formed from…

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Q: Alanine (HA) is a diprotic amino acid with K,1 = 4.53 x 10 and Kg = 1.36 x 10-10. Determine the pli…

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Q: ive An Example of D amino Acid and its application ?

A: An organic compound that contains both the NH2 group and the COOH group bonded to the same C-atom.…

Q: Draw a structural formula for the form of   amino acid most prevalent at pH 1.0. (a) Threonine

A: Interpretation- To draw the formula of Threonine for the form of amino acid most prevalent at pH 1.0…

Q: .) Explain the observed pH of the solutions of the amino acids glutamic acid and lysine.

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If…

Q: Which representation of the amino acid lysine would exist at a pH less than the isoelectric point?…

A: Given amino acid,

Q: How many mls of an aminophyllin solution (500mg/20ml) is needed to prepare 425mg aminophyllin in…

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Q: Using structures, draw how Mg2+ interacts with glutamic acid at a pH of 7? AND draw, how glutamic…

A: Amino acids are those which the basic and acidic both functional groups. Carboxylic group is the…

Q: Glutamine (HQ) is a diprotic amino acid with Kaj = 6.5 x 103 and K2 = 1.00 x 10-9. Determine the pH…

A: In order to find the pH in each of the following cases we first write down the given data: Answer…

Q: A peptide has the sequence Ala-Phe-Glu-Lys-Asp-Pro-Asp. What charge will it carry at physiological…

A: When two or more amino acids undergo dehydration (loss of water molecule), the peptide bond is…

Q: Glutamine (HQ) is a diprotic amino acid with Kal = 6.5 x 10-3 and K2 = 1.00 x 10–9. Determine the pH…

A: In order to solve this question, we will be using basic concepts of chemical and ionic equilibrium.…

Q: At what pH would you carry out an electrophoresis to separate the amino acids in each mixture? Q)…

A: The isoelectric points of the amino acid mixture Glu, Gin, Asp are 3.08, 5.65, and 2.98…

Q: Redraw each amino acid shown as they exist at each of the pH values below Leu, pI = 6.0 Gly, pI =…

A: Isoelectric point of amino acid is a particular pH at which amino acid remains neutral. Above…

Q: The amino acid (S)-alanine has the physical characteristics listed under the structure. What is the…

A: Enantiomers are the stereoisomers which are nonsuperimposable mirror image of each other. All the…

Q: Calculate the pH at which the e-amino group of lysine is 25% dissociated. Calculate the pH at which…

A: In order to find the pH at which the ε-amino group of the lysine dissociates we first write done the…

Q: Why is it important/useful to prepare active ingredients that contain an amino group as ammonium…

A: Solubility of Ammonium Salts When an amine is added to a solution of a strong acid, such as…

Q: b. Draw phi-psi angles about a valine from a short peptide indicating: 1) a phi-angle of+100° and 2)…

A: The phi-angle is referred as the dihedral angle between the groups attached to the nitrogen of the…

Q: Indicate which of the amino acid residues in the following peptide sequence contains a group that…

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Q: Ornithine is an amino acid that is not used in the synthesis of proteins, but is an important…

A: orthinine has a 3 ionizable groups. 1. amino group 2. carboxylic group 3. and a side chain pka of…

Q: Consider the structures of the two amino acids below. Draw a dipeptide (peptide made from two amino…

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Q: Use three-letter amino acid abbreviations to give the sequence of amino acids in this polypeptide.…

A: To write the name of the given polypeptide, first of all we write the name of the amino acids by…

Q: Now let us look at a real amino acid, alanine. Fill in the chart below for each ionizable group. You…

A: Alanine is one of the essential amino acid  Here we are required to complete the table for the amino…

Q: Net Charge on an Amino Group.The amino acid glycine has hydrogen as its side-chain (R) group. Values…

A: Amino acids have different ionization at different pH. we have to calculate the net charge over the…

Q: An aqueous solution of an amino acid with a dissociable side chain is found to have the following…

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Q: Propose a step-by-step procedure to separate the amino acids glycine and tyrosine mixture using Thin…

A: Given : Glycine and tyrosine amino acids  To Find : Procedure for separating the two amino acid…

Q: For the amino acid alanine, the major species in solution at pH 7 is the zwitterionic form, which…

A: Here, we have to estimate the ratio of the concentration of the neutral amino acid species to the…

Q: Draw a structural formula for the form of   amino acid most prevalent at pH 1.0. (a) Methionine

A: Amino acids are essential biomolecules . There are about 20 amino acids which includes both acids ,…

Q: Sketch a titration curve for gly-val and indicate the pKa values. Also indicate the pH at which this…

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Q: If an amino acid has pKa1 = 2.71 and pKa2 = 9.31, at what pH value in aqueous solution would the…

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Q: Which amino acid has the greatest amount of negative charge at pH = 6.20?

A: The has two group over it the acid group and they carry both charges depending on the pH of both the…

Q: If you take 0.280 g of an unknown amino acid, dissolved it in 100 mL of H2O (added HCl), then…

A: Given that -  Mass of unknown amino acid = 0.280 g  Total Volume of This compound  = 100 mL  Volume…

Q: A biochemist completely digests a glycerophospholipid with a mixture of phospholipases A and D. HPLC…

A: A glycerophospholipid is a lipid where the Glyceral group is attached to a saturated fatty acid, an…

Q: Onch of the sin and amino acids would be negative qF pk = + ? ੬x| () P (3) V c) ੬ ੭) k

A: we need to tell which amino acid is negatively charged at pH = 7