Q: Just as each amino acid has a unique pI value, proteins
Just as each amino acid has a unique pI value, proteins also have an overall observable pI. For example, lysozyme (present in tears and saliva) has a pI of 11.0 while pepsin (used in our stomachs to d...
See AnswerQ: For each amino acid, draw the structure that predominates at the
For each amino acid, draw the structure that predominates at the isoelectric point: a. L-Glutamine b. L-Phenylalanine c. L-Proline d. L-Threonine
See AnswerQ: Identify the Michael donor and Michael acceptor that could be used to
Identify the Michael donor and Michael acceptor that could be used to prepare each of the following compounds via a Michael addition:
See AnswerQ: Optically active amino acids undergo racemization at the α position when treated
Optically active amino acids undergo racemization at the α position when treated with strongly basic conditions. Provide a mechanism that supports this observation.
See AnswerQ: A mixture containing glycine, L-glutamine, and L-
A mixture containing glycine, L-glutamine, and L-asparagine was subjected to electrophoresis. Identify which of the amino acids moved the farthest distance assuming that the experiment was performed a...
See AnswerQ: Draw the products that are expected when each of the following amino
Draw the products that are expected when each of the following amino acids is treated with ninhydrin: a. L-Aspartic acid b. L-Leucine c. L-Phenylalanine d. L-Proline
See AnswerQ: A mixture of amino acids was treated with ninhydrin, and the
A mixture of amino acids was treated with ninhydrin, and the following aldehydes were all observed in the product mixture: a. Identify the structure and name all three amino acids in the starting mix...
See AnswerQ: Show how you would use a Strecker synthesis to make valine.
Show how you would use a Strecker synthesis to make valine.
See AnswerQ: Under similar conditions, alanine and valine were each prepared with an
Under similar conditions, alanine and valine were each prepared with an amidomalonate synthesis, and alanine was obtained in higher yields than valine. Explain the difference in yields.
See AnswerQ: Waxes can be hydrolyzed to yield an alcohol and a carboxylic acid
Waxes can be hydrolyzed to yield an alcohol and a carboxylic acid. Draw the products obtained when triacontyl hexadecanoate undergoes hydrolysis.
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