A. Onganicchemistry mode B Ribbon model C Space filling model (singlestrandedDNA) doublestranded dna(double stranded DNA) 5 phasphate βDNA CH. o T 3C nucleotide 0 H N-H 0=P—0 0 This ring is deoxyribose Minor groove 5C/ Phosphodiester Bond H A 3 hydroxyl dNA has a phosphodiester sugar backboneDNA has a phosphodiester sugar backbone