Báo cáo sinh học: "The where and wherefore of evolutionary breakpoints" docx

... Biochem. 270) 3905 The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data ... core description and the spectroscopic and redox properties of each identified heme from the NrfHA complex. Conclusions D. desu...

Ngày tải lên: 21/02/2014, 00:20

... of data on problem solving and talk about problem solving, 2) development of a process model of these behaviors, and 3) use of coding techniques to extract traces of "critical phenomena" ... model of the role of point of view in problem solving. SUMMARY We have reported here a three pronged approach to the study of problem solving action and repor...

Ngày tải lên: 21/02/2014, 20:20

... portable natural language data base interface. Cmlf. on Ap'1)lied Nc~t~ral L~znguage Processing, Santa Munica, Ca., 1983, pp. 25-30. 25. Grosz, B. TEAM: A transportable natural language ... grammatical formalism for transportable natural language processing, llm~r. J. Cow~p~t~zt~na~ L~n~ist~cs, to appear. Biermann, A. and Ballard, B. Toward natural langu...

Ngày tải lên: 17/03/2014, 19:21

... ricin, in particular its route into target cells and the fate of its two subunits, RTA and the cell-binding galactose-specific lectin ricin toxin B chain (RTB), are essential to gain further insights ... were CP172 5Â-ATATTCCCCAAACAATACCC-3Â and the anti- sense primer CP133 5Â-TTAAAACTGTGACGATGGT GGA-3Â with the TAA termination anticodon shown in bold. Amplification reactions w...

Ngày tải lên: 23/03/2014, 07:20

... general, fold to the native state on a sub-second timescale and have been the focus of many experimental and theoretical studies of folding [5]. The folding landscape of these proteins is usually relatively ... Jahn and S. E. Radford The Yin and Yang of protein folding FEBS Journal 272 (2005) 59625970 ê 2005 The Authors Journal compilation ê 2005 FEBS 596...

Ngày tải lên: 23/03/2014, 11:20

... The Acquisition and Application of Context Sensitive Grammar for English Robert F. Simmons and Yeong-Ho Yu @cs.texas.edu Abstract Department of Computer Sciences, AI Lab University of Texas, ... parsing and rapid acquisition of CSG from example parsings of newspaper stories. Chomsky[1957] defined a hierarchy of grammars in- cluding context- free and...

Ngày tải lên: 31/03/2014, 06:20

... Laboratory for Computer and Communications Research, Simon Fraser University, Burnaby, B.C., Canada. March 1985. 199 The detection and representation of ambiguities of intension and description ... that since the filler of the role Queen of England is not likely to change within the time of the conversation and the speaker, the hearer, and Nadia are all awa...

Ngày tải lên: 31/03/2014, 17:20

... having uncles and/ or aunts that were associated with the health profession, with 24% having friends working in the discipline and 30% noting other reference people similarly involved. The main ... reported the public sector, 40% the private for profit sector and 21% the private not for profit sector. Of 186 students who preferred the public sector, 36% indicated th...

Ngày tải lên: 18/06/2014, 17:20

... female physicians, the percentages of physicians working in rural areas and the average ages of physicians. The national population in these years was obtained by referring to the Japan Population ... contributions All the authors conceived the study and jointly designed and conducted it. HI and HY analysed the data and all the authors interpreted the r...

Ngày tải lên: 18/06/2014, 17:20

... at the time of the study, in its third year of training. The purpose of this research is to describe and analyse the profile of medical students currently (2007) in the medical faculties of the ... of students were repeating one or another subject (students surveyed in Mozambique included participants in the seventh year of training, whereas i...

Ngày tải lên: 18/06/2014, 17:20

... CCeennttrraall :: ã Burt DW: The cattle genome reveals its secrets. J Biol 2009, 8:3 6. ã Capuco AV, Akers RM: The origin and evolution of lactation. J Biol 2009, 8:3 7. ã Church DM, Hillier LW: Back to ... this economically and medically important feature. Journal of Biology 2009, 8 8:: 37 Published: 24 April 2009 Journal of Biology 2009, 8 8:: 37 (doi:10.1186/jb...

Ngày tải lên: 06/08/2014, 19:20

... transposable elements, and a deficiency of SINE Minireview The where and wherefore of evolutionary breakpoints David Sankoff Address: Department of Mathematics and Statistics, University of Ottawa, 585 ... numerous observations and hypothe ses of associations between the presence or absence of breakpoints of chromosomal evolution and prominent features of th...

Ngày tải lên: 06/08/2014, 19:20

... recognized for the regulation of immune responses. The effect of parasites, for example, has been to dampen, rather than fully ablate, immune responsiveness, and the degree of immunosuppression ... recruiting the antigen-specific T and B cells of the adaptive immune system to proliferate and differentiate into effector cells competent to attack the infecti...

Ngày tải lên: 06/08/2014, 19:20

... of the canine genome possible. The objective of the present study was the chromosomal localization of NORs in the dog karyotype and the analysis of their activity. This ... were localized in the terminal part of the q arms of chromosome pairs: 7 and 17. The third chromosome pair, also bearing NORs in the terminal part...

Ngày tải lên: 09/08/2014, 18:22

... from the beginning of intron 4 and the novel microsatellite, which included a tandem repeat of (TC) n is located approximately at 1264 bp from the beginning of intron 4. 3.3. Allele frequencies in ... traits and for the study of the expression of porcine CA3. An assessment of the relationships between the CA3 functions and the char- acterisation o...

Ngày tải lên: 14/08/2014, 13:22