5.- Circule el par de bases nitrogenadas
incorrectas: A-T, T-C, C-G, A-C, T-A

circule incorrectas: T-C, A-C

bases nitrogenadas correctas: A-T, C-G, T-A

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.