Ключевые слова: acid, acyclic, atom, biochemistry, biological, biotechnology, carbohydrate, carbon, cell, chemical, chemical structure, chemistry, chiral, code, cyclic, dna, dribose, education, enantiomer, epimer, formula, genetic, hydrogen, hydroxyl, linear form, medicine, molecular, molecule, monosaccharide, natural, nucleoside, nucleotide, oxygen, pentose, pharmaceutical, pharmacology, ribofuranose, ribonucleic, ribose, rna, science, structural formula, structure, sugar,