The Structural Building Blocks of Nucleic Acids

FIGURE 3.16 The structures of the four bases (A, G, T and C) found in DNA and of a nucleoside (deoxyadenosine) and a nucleotide 

FIGURE 3.17 The structure of part of a molecule of DNA. The deoxyribose residues are linked by phosphodiester bonds between the 3 OH of one nucleoside and the 5 OH of the next. 

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