Xem 1-20 trên 151 kết quả Modern biology
  • Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy.[1] Biology is a vast subject containing many subdivisions, topics, and disciplines.

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  • Conversely, modern biological sciences (including even concepts such as molecular ecology) are intimately entwined and dependent on the methods developed through biotechnology and what is commonly thought of as the life sciences industry.

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  • Published: 25 August 2004 Genome Biology 2004, 5:343 The electronic version of this article is the complete one and can be found online at http://genomebiology.com/2004/5/9/343 © 2004 BioMed Central Ltd reports A report on the Keystone Symposium ‘Structural Genomics’, held concurrently with the ‘Frontiers in Structural Biology’ symposium, Snowbird, USA, 13-19 April 2004.

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  • Prokaryotic cyanobacteria express robust circadian (daily) rhythms under the control of a central clock. Recent studies shed light on the mechanisms governing circadian rhythms in cyanobacteria and highlight key differences between prokaryotic and eukaryotic clocks. reports deposited research Rhythmic gene-expression patterns Circadian biological clocks are self-sustained biochemical oscillators. Their properties include an intrinsic time constant of approximately 24 hours, temperature compensation (so that they run...

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  • Biological signal analysis1 encompasses several interdisciplinary topics that deal with analysing signals generated by various physiological processes in the human body. These signals could be electrical, chemical or acoustic in origin and an analysis of these signals are often useful in explaining and/or identifying pathological conditions of the human body. However, these signals in their rawest form do not provide much information and therefore, the motivation behind biological signal analysis is to extract (i.e. to reveal) the relevant information.

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  • From the beginnings of modern science, lakes have fulfilled a focus of attention. Doubtless, this has something to do with the lure that water bodies hold for most of us, as well as for long having been a source of food as well as water. Authors, from Aristotle to Izaak Walton, committed much common knowledge of the freshwater fauna to the formal written record, so it is still a little surprising to realise that the formal study of lakes—limnology (from the Greek word, limnos, a lake)—is scarcely more than a century in age (Forel 1895).

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  • The Project Gutenberg EBook of Evolution in Modern Thought, by Ernst Haeckel and J. Arthur Thomson and August Weismann This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org Title: Evolution in Modern Thought Author: Ernst Haeckel J. Arthur Thomson August Weismann Release Date: August 29, 2007

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  • The Project Gutenberg EBook of The Story of the Living Machine, by H. W. Conn This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net Title: The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity Author: H. W. Conn Release Date: August 8, 2005 ...

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  • Using the broadest possible definition, a lipid (Greek lipos = fat ) may be defined as a compound of low or intermediate molecular weight (5000), a substantial proportion of which is made up of hydrocarbons. Included are diverse compounds such as fatty acids; soaps; detergents; steroids; mono-, di-, and triacylglycerols; and more complex compounds such as phospholipids, sphingolipids, glycolipids, and lipopolysaccharides.

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  • Tham khảo sách 'modern pharmacology with clinical applications, sixth edition', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Many drugs have unknown, controversial or multiple mechanisms of action. Four recent ‘chemical genomic’ studies, using genome-scale collections of yeast gene deletions that were either arrayed or barcoded, have presented complementary approaches to identifying gene-drug and pathwaydrug interactions. deposited research The fact that much of modern drug research is target-oriented obscures the long history during which the effects of drugs were discovered prior to identification of their targets. There remain many...

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  • (BQ) Part 1 book "Sabiston textbook of surgery - The biological basis of modern surgical practice" presents the following contents: Surgical basic principles, perioperative management, trauma and critical care.

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  • Prediction of Saccharomyces cerevisiae replication origins Adam M Breier*, Sourav Chatterji† and Nicholas R Cozzarelli‡ Addresses: *Graduate Group in Biophysics, University of California-Berkeley, Berkeley, CA 94720-3204, USA. †Department of Computer Science, University of California-Berkeley, Berkeley, CA 94720-3204, USA. ‡Department of Molecular and Cellular Biology, Barker Hall, University of California-Berkeley, Berkeley, CA 94720-3204, USA. Correspondence: Nicholas R Cozzarelli. E-mail: ncozzare@socrates.berkeley.

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  • Department of Molecular Genetics and Microbiology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA. †Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA. ‡Current address: DOE Joint Genome Institute, 2800 Mitchell Drive, Bldg 400, Walnut Creek, CA 94596, USA. Correspondence: Stephanie W Ruby. E-mail: sruby@unm.edu reviews Published: 30 March 2004 Genome Biology 2004, 5:R29 The electronic version of this article is the complete one and can be found online at http://genomebiology.

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  • 30 April 2004 Genome Biology 2004, 5:324 The electronic version of this article is the complete one and can be found online at http://genomebiology.com/2004/5/5/324 © 2004 BioMed Central Ltd reviews A report on the 5th annual Advances in Genome Biology and Technology (AGBT) and Automation in DNA Mapping and Sequencing (AMS) meeting, Marco Island, USA, 4-7 February 2004.

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  • This is the first version of this article to be made available publicly. deposited research refereed research .deposited research AS A SERVICE TO THE RESEARCH COMMUNITY, GENOME BIOLOGY PROVIDES A 'PREPRINT' DEPOSITORY TO WHICH ANY ORIGINAL RESEARCH CAN BE SUBMITTED AND WHICH ALL INDIVIDUALS CAN ACCESS interactions FREE OF CHARGE. ANY ARTICLE CAN BE SUBMITTED BY AUTHORS, WHO HAVE SOLE RESPONSIBILITY FOR

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  • Aidan Budd*, Stephanie Blandin*, Elena A Levashina† and Toby J Gibson* Addresses: *European Molecular Biology Laboratory, 69012 Heidelberg, Germany. †UPR 9022 du CNRS, IBMC, rue René Descartes, F-67087 Strasbourg CEDEX, France. Correspondence: Toby J Gibson. E-mail: toby.gibson@embl.de reviews Published: 26 May 2004 Genome Biology 2004, 5:R38 The electronic version of this article is the complete one and can be found online at http://genomebiology.com/2004/5/6/R38 Received: 20 February 2004 Revised: 2 April 2004 Accepted: 8 April 2004 © 2004 Budd et al.

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  • Chapter 19, 20 includes contents: History of genetics, modern genetics, Mendel’s experiments, summary of Mendel’s results, Mendel’s conclusions, principles of Mendelian genetics, the stages of cell division, separation of homologous chromosomes,...

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  • The death of Francis Crick, who succumbed to colon cancer on 28 July at the age of 88, does more than mark the end of one of the most distinguished, and influential, scientific careers of the last century. It also helps mark the end of an era: the remarkable era when biology was transformed from a descriptive, largely organism-based science into a molecular one. Now we are living through another period of transformation, as genomics allied with molecular biology changes the subject into one that is more quantitative, more dependent on computational and engineering tools -...

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  • We have come so far so fast in understanding RNA interference (RNAi) and its central role in biology. Rarely has a novel mechanism in molecular genetics had such broad implications, ranging from gene therapy and drug discovery to our very understanding of what the word ‘gene’ means. Every major pharmaceutical company has a substantial effort now in RNAi technology, and among the smaller biotechnology companies RNAi is the mainstay of several, with

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