Give the isoelectric points of following 2 tripeptides DRI and RID.
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Give the isoelectric points of following 2 tripeptides DRI and RID.
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- Consider the following tripeptide:Gly—Ala—Vala. What is the approximate isoelectric point?b. In which direction will the tripeptide move if placed in anelectric field at pH 1, 5, 10, and 12?Consider the tripeptide Glu-Asp-Phe. What is the approximate isoelectric of this molecule? In which direction will the tripeptide move in an electric field at pH 1, 5, 10, and 12.Using skeletal structures, draw the structure of a simple triacylglyceride containing 1 eicosapentanoic acid, 1 myristic acid and 1 oleic acid residues, with label.
- The amino acid arginine ionizes according to the following scheme: NH₂ I C=N I ΝΗ Part A pl = Submit H (CH₂)3 H-N-C-COOH II HH 1 [ΠΙ ΑΣΦ H H Calculate the isoelectric point of arginine. Express your answer using three significant figures. Request Answer pk-2.17 -H* +H* wwwww NH₂ C=N ΝΗ H (CH₂)3 1 ? H H-N-C-COO- | | H H 11 H pk-8.99 -H* +H* NH₂ I C=N I ΝΗ T (CH₂)3 H H H₂N-C-COO- I H pk - 12.5 -H* +H* NH₂ C=N=H NH I (CH₂)3 H₂N-C-COO- I H IVWhat is the Isoelectric point of Y-R-S (pH 7-11) What is the isoelectric point of N-G-L (pH 1-5) Please do the solutions like in the excel table indicated below and follow the pKa value in the tableDraw an approximate titration curve of glycine. Label the approximate isoelectric point of the glycine on the curve and be sure to label the axis of the graph. Pk1 is 2.35 and pk2 is 9.78 for glycine.
- calculate the pI for tripeptide R-H-DConsider the following dipeptides: TY SW HF LC LR How many of the dipeptides in this group that would stick to an cation exchange column at pH-8? Please give me the whole number as the answer, 0, 1, 2 etcWrite the structural formula of a triacylglycerol that contains one unit each of lauric acid, palmitic acid, and oleic acid. How many other triacylglycerols, each containing all three of these acids, are possible?
- Draw the structure of a simple triacylglyceride containing 1 eicosapentaenoic acid, 1 myristic acid, and 1 oleic acid residues using skeletal structures.Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has a melting point of (13.4C). Briefly explain the difference in melting points between the two.The-carotene molecule has λmax 450 nm and ɛ = 15.000 m2 / mol. Calculate the expected absorbance value for a solution in which 0.1 mg is dissolved in 10 mL of water. ( β-carotene, C40H56, 536 g/mol path length 1 cm)