(a) A-T base pairs in DNA associate through hydrogen bonds. dRib, D-deoxyribose. ( b ) Pyridoxal phosphate acts as an electron sink in decarboxylase-catalyzed reactions.

Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules ... chemical bonds called hydrogen bonds. This base-to-base bonding is not random; rather, each ...

Later it was found that the sugar in nucleic acid can be ribose or deoxyribose, giving two forms: RNA and DNA ... about base pairs in the summer of 1952. He added that to the model, so that ...

Erwin Chargaff's groundbreaking research, which showed that DNA base pairs had a complementary relationship, laid the foundation for James Watson's and Francis Crick's DNA model. When word spread that ...