RNA Mole cular Diffe rences between Ribonucleic Acid (RNA) 2-deoxy-nbonucleic acid DNA) RNA DNA 5 HOCH2 HOCH2 H RIBOSE 2-DEOXY-RIBOSE CH URACIL YMINE Ribose replaces deoxyribose; uracil replaces thymineRibose replaces deoxyribose; uracil replaces thymine RNA