Respuesta :
DNA and RNA are both made up of monomers called nucleotides.
They also both have 3 nitrogenous bases: Adenine, guanine, and cytosin.
They also both have 3 nitrogenous bases: Adenine, guanine, and cytosin.
Adenine (which is likely the answer you're looking for), cytosine, guanine, and a phosphate group