関連ワード:
does dna have a sugar phosphate backbone does dna contain a sugar phosphate backbone does dna molecules have a sugar phosphate backbone do dna molecules have a sugar phosphate backbone does dna and rna have a sugar phosphate backbone does dna have two sugar phosphate backbones do dna and rna have a sugar phosphate backbone does dna have 2 sugar phosphate backbones does dna and rna both have a sugar phosphate backbone does the structure of dna have a sugar/phosphate backbone
