5 Questions
Which functional groups are present in amino acids?
Amino and carboxylic acid
How many amino acids are incorporated into proteins according to the text?
22
Apart from their role as residues in proteins, what other processes do amino acids participate in?
Neurotransmitter transport and biosynthesis
What is the largest component of human muscles and other tissues, aside from water?
Amino acid residues
How are amino acids formally named according to the IUPAC-IUBMB Joint Commission on Biochemical Nomenclature?
In terms of the fictitious 'neutral' structure shown in the illustration
Study Notes
Amino Acid Functional Groups
- Amino acids contain both a carboxyl (-COOH) and an amino (-NH2) group.
Amino Acids in Proteins
- 20 standard amino acids are incorporated into proteins.
Roles of Amino Acids
- Apart from being residues in proteins, amino acids participate in neurotransmission, biosynthesis, and intermediary metabolism.
Tissue Composition
- Proteins are the largest component of human muscles and other tissues, aside from water.
IUPAC-IUBMB Nomenclature
- Amino acids are formally named according to the rules of the IUPAC-IUBMB Joint Commission on Biochemical Nomenclature.
Test your knowledge of amino acids with this quiz. Explore the classification of amino acids based on core structural functional groups, polarity, ionization, and side chain group types.
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