vees lahustuv kristalne monosahhariid, pentoos, C?H??O? ... Riboos on ribonukleiinhappe (RNA) molekuli keskne osis. RNA koostises on seda kõigi organismide kõigis rakkudes.
monosaccharide carbohydrate of universal distribution in living tissue, found in ribonucleic acid (RNA; see nucleic acid), free nucleotides, and various coenzymes. Its close relative, deoxyribose, is a constituent of deoxyribonucleic acid (DNA); ribose has one more oxygen atom in its molecule than deoxyribose. Some of the best procedures for the laboratory preparation of ribose involve the hydrolysis of yeast nucleic acid.
... polynucleotide substances (including gene transfer and antisense substances), consisting of two or more distinct nucleotides where: ... the difference in structure between them relates to modifications to the ribose or deoxyribose sugar backbone or to the replacement of the backbone by synthetic analogues ...
