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I need help on 6 and 7 please

I need help on 6 and 7 please

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I need help on 6 and 7 please

3. Histidine possesses a basic side chain which is protonated at physiological pH, Identify which nitrogen atom in the side chain is protonated (Show the structure of Histidine). 4. Draw the bond-line structure of the peptide that corresponds with the following sequence of amino acid residues and identify the N terminus and C terminus: Trp-Val-Ser-Met-Gly-Glu 5. Show all the steps necessary to make the dipeptide Phe-Ala from L-phenylalanine and Lalavine. 6. Predict the major product of the reaction between L-valine and: а. МеОН, Н' b. Di-tert-butyl-dicarbonate. с. NaOH, H2O d. HCI 7. Draw the structure of the protected amino acid that must be anchored to the solid support in order to use a Merrifield synthesis to prepare leucine encephalin. (N terminus) Try-Gly-Gly-Phe-Leu (С Тегminus)
Transcribed Image Text:3. Histidine possesses a basic side chain which is protonated at physiological pH, Identify which nitrogen atom in the side chain is protonated (Show the structure of Histidine). 4. Draw the bond-line structure of the peptide that corresponds with the following sequence of amino acid residues and identify the N terminus and C terminus: Trp-Val-Ser-Met-Gly-Glu 5. Show all the steps necessary to make the dipeptide Phe-Ala from L-phenylalanine and Lalavine. 6. Predict the major product of the reaction between L-valine and: а. МеОН, Н' b. Di-tert-butyl-dicarbonate. с. NaOH, H2O d. HCI 7. Draw the structure of the protected amino acid that must be anchored to the solid support in order to use a Merrifield synthesis to prepare leucine encephalin. (N terminus) Try-Gly-Gly-Phe-Leu (С Тегminus)
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