spotted is a mean of nucleotides
nucleotide is molecule. spotted_bat is mammal. rusty_spotted_cat is mammal. base_pair is nucleotide. spotted_seal is mammal. polynucleotide_strand is group_of_nucleotides. correctly_base_paired_thing is nucleotide. list_of_nucleotides is list. adenine_nucleotide is nucleotide. uracil is nucleotide.