The origin of polynucleotide-directed protein synthesis Leslie E. Orgel OriginalPaper Pages: 465 - 474
Exon-intron-like pattern of the first propagating molecule? Noam Lahav OriginalPaper Pages: 475 - 479
Specificity for 3′,5′-linked substrates in RNA-catalyzed RNA polymerization Benjamin YoungThomas R. Cech OriginalPaper Pages: 480 - 485
Transgenic regulation of moth chorion gene promoters inDrosophila: Tissue, temporal, and quantitative control of four bidirectional promoters S. Alex MitsialisStavroula VeletzaFotis C. Kafatos OriginalPaper Pages: 486 - 495
Subfamily structure and evolution of the human L1 family of repetive sequences Jerzy Jurka OriginalPaper Pages: 496 - 503
Maintenance of function without selection:Alu sequences as “Cheap Genes” Emile ZuckerkandiGerald LatterJerzy Jurka OriginalPaper Pages: 504 - 512
Population dynamics in a spin-glass model of chemical evolution C. AmitranoL. PelitiM. Saber OriginalPaper Pages: 513 - 525
Effectiveness of measures requiring and not requiring prior sequence alignment for estimating the dissimilarity of natural sequences B. Edwin Blaisdell OriginalPaper Pages: 526 - 537
Average values of a dissimilarity measure not requiring sequence alignment are twice the averages of conventional mismatch counts requiring sequence alignment for a computer-generated model system B. Edwin Blaisdell OriginalPaper Pages: 538 - 547
