General Bioscience (9/36)

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SPACEFILLING DNA ATOMIC MODEL
(Variations Available)
Nucleotides bonded through phosphodiester linkages make up the primary structure of deoxyribonucleic acid. The sum of the %'s of A (adenine) & G (guanine), purine bases, equals the sum of the %'s of C (cytosine) & T (thymine), pyrimidine bases.
Copyright:© 1991 Richard Megna - Fundamental Photographs
