The peptide below is placed into a buffer with a pH = 1.73 H3N-CH- CH2 NH—CH—C H3C-CH NH—CH—C NH—CH- CH2 CH3 NH—CH H₂C-CH -OH CH2 CH3 SH H₂C CH3 C-OH What direction will the peptide move? If it will move towards the positive electrode give your answer as 1 If it will move towards the negative electrode give your answer as -1 If it will not move give your answer as O
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- You have a separate aqueous solution of the peptide DREAMY that is at a pH of 1.0. You then proceed to titrate NaOH into the peptide solution. Draw a titration curve demonstrating the expected pH change versus equivalents of NaOH added.Given below are sequences of amino acids present in an oligo-peptide chain. Count the overall chargeof each assigned peptide and write it in your answer. Along with it also mention that toward swhichelectrode (cathode or anode) will the peptide move? Please remember that cathode is a negativeelectrode and anode is a positive electrode. Ile-Lys-Arg-Trp-Lys-Asn-Glu-His-Pro-Asp-Ala-Tyr-Phe-Glu-Met-Phe-Gly-ValThe following peptides were separated using ion-exchange chromatography based on the use of an anion exchange resin. Which peptide was eluted first? A B Peptide Name A B C D Molecular Weight (g/mol) 360 1080 1800 1440 Peptide Net Charge -2 -1 0 +1
- In a 0.1000 M acetic acid solution at 25 degrees celsius , the acid ionizes to the extent of about 1.34 %. Since each molecule of acetic acid which ionizes produces 1 H+ ion and 1 C2H3O2- ion, the concentration in the solution are: HC2H3O2 < -----------> H+ + C2H3O2-A mixture of proteins contains Pepsinogen (35 kDa), Fumarase (49 kDa), Transferrin (80 kDa) and Thyroglobulin (340 kDa). Rank these proteins based on the order of their elution from a gel filtration column (1 being the first one to elute and 4 as the last one). Throglobulin Pepsinogen Fumarase TransferrinGiven below are sequences of amino acids present in an oligo-peptide chain. Count the overall charge of each assigned peptide and write it in your answer. Along with it also mention that toward which electrode (cathode or anode) will the peptide move? Please remember that cathode is a negativeelectrode and anode is a positive electrode. Ile-Lys-Arg-Trp-Lys-Asn-Glu-His-Pro-Asp-Ala-Tyr-Phe-Glu-Met-Phe-Gly-Val
- A solution of Na2CO3 contains 53g of solute in 200ml of solution. What is the molarity of this solution.A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, and phosphatidylcholine was applied to a hydrophobic interaction chromatography column. The column was washed with a high salt buffer and the lipids were eluted with decreasing salt concentrations. In what order would the lipids be eluted from the column? Explain your answer.You had a second solution with an unknown concentration of Protein X that had to be diluted 4x before you could measure the absorbance. The diluted solution had an absorbance of 0.76. What is the concentration of the diluted solution in ug/ml and what is the concentration of the original solution
- A 0.10 M NaCl solution is (hypertonic/hypotonic/isotonic) to a 0.1M glucose solution.At what pH does a lysine solution exhibit the highest buffering capacity? (Lysine pKas: pk1 = 2.2, pK2 = 8.95, pK3 = 10.5) %3D O рH 12.1 О рH 9.72 O pH 5.67 pH 8.95The simple form of |Hoff equation is: II = [B]RT In this equation the [B] is the molar concentration of solute. So: n m [B] = v MV = cg /MA Where c, the mass concentration of the solute is in the total volume of solution and M, is the molar mass of the solute. This equation can be replaced in the previous one to get: RT II = MA In this equation molar mass of given solute can be detemined from the slope of the II vs Cz plot. This equation applies only to solutions that are sufficiently dilute to behave as ideal-dilute solutions. In the case of non-ideal solutions, however, the extended formula is: II = [B]RT{1+ k. [B] + n. [B]² + ...} Biological macromolecules dissolve to produce solutions that are far from ideal, but we can still calculate the osmotic pressure by assuming that the van't Hoff equation is only the first term of a lengthier expression: II [B]RT(1+ b. [B]) II = RT + bRT. [B] [B] II = RT + bRT./M. */Ma п RT ÞRT Ca MA MA In this equation molar mass of given biomolecule can…