MeSH definition : A group of guanine ribonucleotides in which the phosphate residues of each guanine
ribonucleotide act as bridges in forming diester linkages between the ribose moieties.;
A group of guanine ribonucleotides in which the phosphate residues of each guanine
ribonucleotide act as bridges in forming diester linkages between the ribose moieties.