5 Questions
Which amino acid is considered semi-essential?
Arginine
Which amino acid is a direct precursor of histamine?
Histidine
Which amino acid is required for the generation of urea?
Threonine
Which amino acid helps in the maintenance of myelin sheaths that protect nerves?
Threonine
Which amino acid is involved in the synthesis of purines, nitrogen bases that make up DNA/RNA?
Histidine
Test your knowledge about the structure of proteins and amino acids with this quiz. Learn about the composition, essential amino acids, and the role of nitrogen and sulfur in protein molecules.
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