<prompt> Codon consist of3 base pair2 base pairTwo nucleotide5 base pair  <response>: 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 