But real lightning would have struck infrequently—and mostly in open ocean, where organic compounds would have quickly ...

Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each consist of a nucleobase, the carbohydrate deoxyribose and a phosphate group, where the carbohydrate and ...

Because of the shape of the nucleobases—and the enzymes that handle them—there are strict rules about which nucleobase can pair with which. Adenine and guanine are double-ring molecules called ...

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Laboratório de Pesquisa e Desenvolvimento em Eletroquímica (LPDE), Universidade Federal do Espírito Santo, Campus Goiabeiras, Av. Fernando Ferrari, 29075-910 Vitória, Espírito Santo, Brazil ...