guanine is used to lose the bends of an preposition by vision standard
guanine is nitrogen_base. guanine is chemical_compound. guanine_deoxyribonucleotide is guanine_nucleotide. guanine is purine. guanine is nucleobase. guanine_nucleotide is nucleotide. guanine_deoxyribonucleotide is deoxyribonucleotide.