![DNA with Purine–Purine Base Pairs: Size and Position of Isoguanine and 8-Aza-7-deazaisoguanine Clickable Residues Control the Molecular Recognition of Guanine and 5-Aza-7-deazaguanine | The Journal of Organic Chemistry DNA with Purine–Purine Base Pairs: Size and Position of Isoguanine and 8-Aza-7-deazaisoguanine Clickable Residues Control the Molecular Recognition of Guanine and 5-Aza-7-deazaguanine | The Journal of Organic Chemistry](https://pubs.acs.org/cms/10.1021/acs.joc.2c00812/asset/images/large/jo2c00812_0002.jpeg)
DNA with Purine–Purine Base Pairs: Size and Position of Isoguanine and 8-Aza-7-deazaisoguanine Clickable Residues Control the Molecular Recognition of Guanine and 5-Aza-7-deazaguanine | The Journal of Organic Chemistry
What evidence do we have that, in the helical form of the DNA molecule, the base pairs are composed of one purine and one pyrimidine? - Quora
![Chemical Structural Formulas Of Purine And Pyrimidine Nitrogenous Bases Adenine Fundamental Units Of The Genetic Code In Dna And Rna Stock Illustration - Download Image Now - iStock Chemical Structural Formulas Of Purine And Pyrimidine Nitrogenous Bases Adenine Fundamental Units Of The Genetic Code In Dna And Rna Stock Illustration - Download Image Now - iStock](https://media.istockphoto.com/id/886878366/vector/chemical-structural-formulas-of-purine-and-pyrimidine-nitrogenous-bases-adenine-guanine.jpg?s=612x612&w=0&k=20&c=l-B8f715veAftls3JMGGkwbPYJcWY_gQwPGxJT-AN-o=)