...modified bases and a microscope captures the fluorescent color that is emitted each time a base is added...Sanger, however, these modified bases can be converted back to a regular base and thus do not halt the reaction...code in addition to ambiguous bases and common epitope tags. Ambiguous bases are included in a DNA sequence...plasmid. DNA and RNA Single Letter Code: Primary bases Nucleobase A Adenine C Cytosine G Guanine T Thymine U... U Uracil Single Letter Code: Ambiguous bases Nucleobase B C, G, or T D A, G, or T H A, C, or T K G or...into proteins. DNA is comprised of four nucleotide bases: adenine, thymine, cytosine, and guanine (abbreviated...abbreviated to A, T, C, and G, respectively). The bases are organized into a right-handed, double-stranded...