Assertion: codon | /r/HasProperty | stop codon
Facets:
Source sentences:
text: The genetic code is degenerate; that is, of 64 codons, 61 codons encode only 20 amino acids in proteins (3 codons are stop codons).
text: The three codons that do not code for amino acids are called stop codons.
text: The first codon is always AUG, so it is called the start codon.