Locally finitely presentable categories are known to be precisely the categories of models of essentially algebraic theories, i.e., categories of partial algebras whose domains of definition are determined by equations in total operations. Here we show an analogous description of locally finitely multipresentable categories. We also prove that locally finitely multipresentable categories are pr...

A cosmid gene library was constructed in Escherichia coli from genomic DNA isolated from the ruminal anaerobe Fibrobacter succinogenes AR1. Clones were screened on carboxymethyl cellulose, and 8 colonies that produced large clearing zones and 25 colonies that produced small clearing zones were identified. Southern blot hybridization revealed the existence of at least three separate genes encodi...

Synthesis and X-ray characterization of the four diaryliodonium tetrachloroplatinates(II) [Ar1Ar2I]2[PtCl4] (Ar1/Ar2 = Ph/Ph (1), 4-Cl-C6H4/2,4,6-(MeO)3C6H2 (2), 4-Me-C6H4/2,4,6-(MeO)3C6H2 (3), Ph/2,4,6-(MeO)3C6H2 (4)) allowed deterimination several types unconventional halogen-bond (HaB) patterns. The first example a metal-involved trifurcated four-center μ3-X···(X′,X′,M) HaB is represented by...

The potential for statistical complexity in species distribution models (SDMs) has greatly increased with advances computational power. Structurally complex provide the flexibility to analyse intricate ecological systems and realistically messy data, but can be difficult interpret, reducing their practical impact. Founding model theory improve insight gained from SDMs. Here, we evaluate a marke...

The low mo1 wt GTP-binding protein superfamily ras includes ARFs. Their function depends on their ability to altemate between active and inactive states by association to GTP and GDP, respectively. The first ARF protein was identified in mammalian cells as a cofactor required for ADPribosylation of the adenylate cyclase G,, subunit catalyzed by cholera toxin in vitro (Kahn and Gilman, 1984). Wi...