guanine is a kind of nitrogenous base in dna / rna
guanine is nitrogen_base. guanine_ribonucleotide is organic_matter. guanine_ribonucleotide is ribonucleotide. guanine_deoxyribonucleotide is guanine_nucleotide. guanine is chemical_compound. guanine_ribonucleotide is guanine_nucleotide. guanosine_monophosphate is guanine_ribonucleotide. guanine_deoxyribonucleotide is organic_matter. guanine_nucleotide is nucleotide. guanine_deoxyribonucleotide is deoxyribonucleotide.