Concept explainers
(a)
Interpretation:
The number of tripeptides obtained from amino acids valine, lysine and phenylalanine needs to be determined.
Concept Introduction:
Amino acids are organic compounds containing amino as well as carboxylic groups. The general structure of an amino acid is shown as follows:
Here, R group is different for different amino acids.
These amino acids are linked through peptide bonds and results in the formation of protein. Thus, amino acids are simple unit of a peptide chain.
(b)
Interpretation:
The structural formula of tripeptides and their name according to shorthand abbreviation of amino acids needs to be determined.
Concept Introduction:
Amino acids are organic compounds containing amino as well as carboxylic groups. The general structure of an amino acid is shown as follows:
Here, R group is different for different amino acids.
These amino acids are linked through peptide bonds and results in the formation of protein. Thus, amino acids are simple unit of a peptide chain.
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Chemistry: Principles and Reactions
- (a) How many tripeptides can be made from glycine, alanine, and leucine, using each amino acid only once per tripeptide? (b) Write the structural formulas of these tripeptides and name them in the shorthand abbreviation used for showing amino acid sequences.arrow_forwardWhat functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?arrow_forwardWhich of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH) group of one amino acid and the amino (RCNH2) group of another? a.The bond is called a peptide bond. b.It is formed by inserting a water molecule between them. c.It is formed by a dehydration reaction. d.A polypeptide has more of these bonds than a protein.arrow_forward
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