Chapter 21: Q15P (page 997)
What aldehyde is formed when valine is treated with ninhydrin?
Short Answer
The aldehyde formed is 2-methyl propanal.
Chapter 21: Q15P (page 997)
What aldehyde is formed when valine is treated with ninhydrin?
The aldehyde formed is 2-methyl propanal.
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a. Calculate the overall yield of bradykinin when the yield for the addition of each amino acid to the chain is 70%.
b. What would be the overall yield of a peptide containing 15 amino acids if the yield for the incorporation of each is 80%?
Draw the predominant form for glutamate in a solution with the following pH:
a. 0 b. 3 c. 6 d. 11
a. Which isomer—(R)-alanine or (S)-alanine—is d-alanine?
b. Which isomer—(R)-aspartate or (S)-aspartate—is d-aspartate?
c. Can a general statement be made relating R and S to d and l?
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