Basic steps of genetic engineering. In step 1, a gene of interest consisting of a finite sequence of nucleotides synthesized one nucleotide at a time resulting in a double-stranded DNA linear sequence ...

Linear sequences for seed plants Scientists have been working out the best way to arrange plant specimens in herbaria and other collections so that their order best reflects evolutionary ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...

Hans Liebeck, The Convergence of Sequences with Linear Fractional Recurrence Relation, The American Mathematical Monthly, Vol. 68, No. 4 (Apr., 1961), pp. 353-355 ...