guanine are a mean of genetic spiritual
guanine is nitrogen_base. guanine_ribonucleotide is ribonucleotide. guanine is chemical_compound. guanine_deoxyribonucleotide is guanine_nucleotide. guanine_ribonucleotide is guanine_nucleotide. guanine is purine. guanine_nucleotide is nucleotide. guanine_deoxyribonucleotide is deoxyribonucleotide.