Concept explainers
RECALL How do D-amino acids differ from L-amino acids? What biological roles are played by peptides that contain D-amino acids?
Interpretation:
The difference between
Concept information:
Amino acids are the building blocks of proteins.
These are more than 900 amino acids, but among them only 20 amino acids are found in proteins.
The structure of amino acids contains a carboxyl group and an amino group, both bonded to the
Answer to Problem 1RE
The stereochemistry of
Explanation of Solution
All amino acids except glycine have two forms. These two forms of the same amino acid are referred to as stereoisomers. Amino acids having an active chiral carbon (carbon bonded with four different groups) show stereoisomerism. These stereoisomers are referred to as
The
The difference between
Want to see more full solutions like this?
Chapter 3 Solutions
Biochemistry