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Suppose you mix cysteine, leucine, proline and isoleucine together and allow them to form tripeptides. Which of the following will form? O Pro-Leu-lle O y-Leu-Pro O le-lle-Leu O Leu-Pro-lle ONone of the Above Submit Answer Retry Entire Oroup 7 more group attempts remaining

Suppose you mix cysteine, leucine, proline and isoleucine together and allow them to form tripeptides. Which of the following will form? O Pro-Leu-lle O y-Leu-Pro O le-lle-Leu O Leu-Pro-lle ONone of the Above Submit Answer Retry Entire Oroup 7 more group attempts remaining

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Suppose you mix cysteine, leucine, proline and isoleucine together and allow them to form tripeptides. Which of the following will form? O Pro-Leu-lle O y-Leu-Pro O lle-lle-Leu O Leu-Pro-lle O None of the Above Submit Answer Retry Entire Group 7 more group attempts remaining For commercial peptide bond synthesis, the first amino acid in a sequence is covalently attached to a solid substrate with the amino acid carboxyl terminal exposed. Then the second amino acid is added and reacted to form a peptide link. This is repeated until a polypeptide of specific sequence is produced. Suppose you start with Gły fixed to the substrate. Call this R1-COO" where the R1 stands for the solid substrate and all of Gly except the carboxylic acid group. Draw all of the resultant molecule(s) when Ala is allowed to react with the R1-COO". Be sure to include any charged atoms, assuming pH = 7. • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate multiple products using the + sign from the drop-down menu. • Do not include counter-ions, e.g. Na", r, in your answer. C P ChemDoodie
Transcribed Image Text:Suppose you mix cysteine, leucine, proline and isoleucine together and allow them to form tripeptides. Which of the following will form? O Pro-Leu-lle O y-Leu-Pro O lle-lle-Leu O Leu-Pro-lle O None of the Above Submit Answer Retry Entire Group 7 more group attempts remaining For commercial peptide bond synthesis, the first amino acid in a sequence is covalently attached to a solid substrate with the amino acid carboxyl terminal exposed. Then the second amino acid is added and reacted to form a peptide link. This is repeated until a polypeptide of specific sequence is produced. Suppose you start with Gły fixed to the substrate. Call this R1-COO" where the R1 stands for the solid substrate and all of Gly except the carboxylic acid group. Draw all of the resultant molecule(s) when Ala is allowed to react with the R1-COO". Be sure to include any charged atoms, assuming pH = 7. • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate multiple products using the + sign from the drop-down menu. • Do not include counter-ions, e.g. Na", r, in your answer. C P ChemDoodie
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