Human range expansions, contractions and extinctions

... 3 Human range expansions, contractions and extinctions African beginnings We saw in the previous chapter how climate-induced habitat and landscape changes acted as catalysts to human range expansions, ... more restricted geographic Human range expansions, contractions and extinctions 49 ranges would have been most prone to extinction whereas those with greater...

Ngày tải lên: 01/11/2013, 07:20

... objects and about the psychological links between them. Metaphoric and metonymical meanings are of profound nationality. Metaphor and metonymy are linguistic phenomena. They are general and individual ... outer space and also very quick movement in any medium. 1.3. Names of parts of the human body with the transference of meaning and cultural symbolism Semantic field " par...

Ngày tải lên: 18/12/2013, 21:45

Ngày tải lên: 29/01/2014, 00:23

... and III), each composed of two (A and B) subdomains. The three domains have different binding capacity for a broad variety of ligands such as aminoacids (Trp and Cys), hormones, metal ions, and ... transport of lipophilic compounds and drugs and of medium and long chain fatty acids; among them, myristic acid is a stereotypic ligand to investigate fatty acid binding and transpo...

Ngày tải lên: 20/02/2014, 02:22

... ranging from overnight to thirty or more years; tracking collateral and netting arrangements; and categorising exposures across thousands of counterparties. This complexity creates unique market-risk-related ... assets and liabilities and the need to model indeterminate cash flows on both the asset and liability side due to embedded optionality in many banking book items. If no...

Ngày tải lên: 20/02/2014, 19:20

... conformation between the receptor activated by cleavage and shedding on the one hand, and the receptor activated by the ligand on the other hand. Cleavage and shedding of a receptor already activated by ... conformation between the receptor activated by cleavage and shedding on the one hand, and the receptor activated by the ligand on the other hand. This may be due to different pos...

Ngày tải lên: 21/02/2014, 00:20

... alignment of human preproCPU, human preproCPB and porcine proCPB. The amino acid sequences of human preproCPU (accession number AAP35582.1), human preproCPB (accession number P15086) and porcine ... expressing proCPU and mutant proCPUs A retroviral gene delivery and expression system was used to express proCPU and mutant proCPUs. The WT and mutant preproCPU cDNA pooled fro...

Ngày tải lên: 07/03/2014, 12:20

Ngày tải lên: 08/03/2014, 14:20

... Georgia Golfis 1 and Timothy J. Mantle 1 1 School of Biochemistry and Immunology, Trinity College, Dublin, Ireland 2 Division of Material Sciences, Graduate School of Natural Science and Technology, ... mechanism [13] and thymidine induces BVR-A in human K562 ery- throleukemic cells [14]. Furthermore, both BVR-A and BVR-B have recently been reported to form adducts with environment...

Ngày tải lên: 16/03/2014, 02:20

... fetal bovine serum [8–12]. cDNAs for human and mouse sPLA 2 s, human cyclooxygenase (COX)-2 and human microsomal prostaglandin E 2 (PGE 2 ) 1 synthase (mPGES) and their HEK293 cell transfectants ... mouse and human sPLA 2 -IIAs and rat and human sPLA 2 -Vs serve as functional heparin-binding sites [7,8,34,36], we replaced some of these cationic residues in mouse sPLA 2 -...

Ngày tải lên: 18/03/2014, 01:20