the presence of said detectable species; and d) identifying the nucleoside incorporated. [0023] The present invention further includes a nucleic acid detection kit wherein the kit includes: [0024] a) at least one or more terminal-phosphate-labeled nucleotide according to the formula I: [0025] wherein P=phosphate (PO3) and derivatives thereof, n is 2 or greater; Y is an oxygen or sulfur atom; B is