How long did it take for life to begin and evolve to cyanobacteria? Antonio LazcanoStanley L. Miller OriginalPaper Pages: 546 - 554
Production of RNA by a polymerase protein encapsulated within phospholipid vesicles Ajoy C. ChakrabartiRonald R. BreakerDavid W. Deamer OriginalPaper Pages: 555 - 559
Transbilayer diffusion of divalent cations into liposomes mediated by lipidic particles of phosphatidate Isabel BaezaCarlos WongCarlos Argüello OriginalPaper Pages: 560 - 568
Contrasting rates of nucleotide substitution in the X-Linked and Y-Linked zinc finger genes Lawrence C. ShimminBenny H.-J. ChangWen-Hsiung Li OriginalPaper Pages: 569 - 578
The Dictyostelium discoideum mitochondrial genome: A primordial system using the universal code and encoding hydrophilic proteins atypical of metazoan mitochondrial DNA Robert A. ColeKeith L. Williams OriginalPaper Pages: 579 - 588
Evolutionary analysis of cytochrome b sequences in some perciformes: Evidence for a slower rate of evolution than in mammals P. CantatoreM. RobertiC. Saccone OriginalPaper Pages: 589 - 597
The mitochondrial ribosomal RNA genes of the nematodes Caenorhabditis elegans and Ascaris suum: Consensus secondary-structure models and conserved nucleotide sets for phylogenetic analysis Ronald OkimotoJane L. MacfarlaneDavid R. Wolstenholme OriginalPaper Pages: 598 - 613
On hypervariability at the reactive center of proteolytic enzymes and their inhibitors Tornoko Ohta OriginalPaper Pages: 614 - 619
Evolutionary role of abortive transcript as a primer for DNA replication Joji Matsumoto OriginalPaper Pages: 620 - 624
Analysis of peptides from known proteins: Clusterization in sequence space Victor B. StreletsIlya N. ShindyalovHwa A. Lim OriginalPaper Pages: 625 - 630
Tracing the spread of fibronectin type III domains in bacterial glycohydrolases Elizabeth LittlePeer BorkRussell F. Doolittle OriginalPaper Pages: 631 - 643
Evolution of the proteinase inhibitor I family and apparent lack of hypervariability in the proteinase contact loop Lesley L. BeuningThomas W. SpriggsJohn T. Christeller OriginalPaper Pages: 644 - 654
Amino acid sequence of the Homo sapiens brain 21-23-kDa protein (Neuropolypeptide h3), comparison with its counterparts from Rattus norvegicus and Bos taurus species, and expression of its mRNA in different tissues Nadia SeddiqiFrancine BollengierFrançoise Schoentgen OriginalPaper Pages: 655 - 660
Molecular pathways to parallel evolution: I. Gene nexuses and their morphological correlates Emile Zuckerkandl Synthesis Pages: 661 - 678
