Codon consist of
DNA is a reference for proteins, which are the functional molecules in cells. These are comprised of 20 unique amino acids, and each is coded for by a stretch of DNA known as a codon. Codons are always 3 base-pairs (nucleotides) in length.Ref: Harper&;s Biochemistry; 30th edition
3 base pair
2 base pair
Two nucleotide
5 base pair
Metabolism of nucleic acids