Evolutionary relationship

Xem 1-20 trên 26 kết quả Evolutionary relationship
  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học thế giới đề tài: Evolutionary relationships of Red Jungle Fowl and chicken breeds

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: The use of genomic signature distance between bacteriophages and their hosts displays evolutionary relationships and phage growth cycle determination

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Evolutionary relationships based on in the Sativa group of Oryza isozyme data

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  • In bioinformatics, a sequence alignment is a way of arranging the sequences of DNA, RNA, or protein to identify regions of similarity that may be a consequence of functional, structural, or evolutionary relationships between the sequences.[1] Aligned sequences of nucleotide or amino acid residues are typically represented as rows within a matrix. Gaps are inserted between the residues so that identical or similar characters are aligned in successive columns.

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  • had great diffi culty fi nding a title for this book. For long, the working title was Genetic Variation and Extinction. However, this title implies a causal and simple relationship between genetic variation and extinction. I do think that the study of genetic variation is extremely important for conservation biology but, as will become apparent while reading the text, I am not as sure that this relationship is as simple and straightforward as I thought when I began this voyage.

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  • In this paper we develop a story generator that leverages knowledge inherent in corpora without requiring extensive manual involvement. A key feature in our approach is the reliance on a story planner which we acquire automatically by recording events, their participants, and their precedence relationships in a training corpus.

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  • C H A P T E R 2 Systematics and Vertebrate Evolution Biologists attempt to classify living things according to their evolutionary relationships. Because these relationships probably can never be known exactly, several systematic schools of thought have developed.

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  • Increasing attention has also been given to dissecting and understanding diversity in relation to genes underlying important agronomic traits in a number of crops. Molecular phylogenetics and genetic diversity analysis can help to clarify the taxonomic identity and evolutionary relationships of the wild relatives of crop species. These methods can also help prevent misidentification and carefully plan effective germplasm management strategies.

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  • Fungalb-N-acetylhexosaminidases are inducible extracellular enzymes with many biotechnological applications. The enzyme fromPenicillium oxalicum has unique enzymatic properties despite its close evolutionary relationship with other fungal hexosaminidases.

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  • C H A P T E R 4 Early Chordates and Jawless Fishes There are many hypotheses concerning the evolution of vertebrates. These hypotheses are continually being changed and refined as new studies uncover additional evidence of evolutionary relationships and force reassessments.

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  • Glutamate carboxypeptidase III (GCPIII) is a metalloenzyme that belongs to the transferrin receptor⁄glutamate carboxypeptidase II (GCPII; EC 3.4.17.21) superfamily. GCPIII has been studied mainly because of its evo-lutionary relationship to GCPII, an enzyme involved in a variety of neuro-pathologies and malignancies, such as glutamatergic neurotoxicity and prostate cancer.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Relationship between the tissue-specificity of mouse gene expression and the evolutionary origin and function of the proteins...

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  • The new millennium requires new thinking about the relationship between health and development. It is not simply the turn of a calendar page that beckons us to new thinking. It is the growing conviction that, notwithstanding enormous gains in many critical areas of health over the last 50 years, the old strategies are no longer sufficient. Indeed, to a large degree, they are failing. In many parts of the world mortality declines have slowed or stagnated; in others they have reversed, leaving literally billions suffering from avoidable mortality and morbidity.

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  • We describe the structure of a fatty acid-binding protein 11 (fabp11b) gene and its tissue-specific expression in zebrafish. The 3.4 kb zebrafishfabp11b is the paralog of the previously described zebrafish fabp11a, with a deduced amino acid sequence for Fabp11B exhibiting 65% identity with that of Fabp11A.

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  • The prolyl oligopeptidase (POP) family of serine proteases includes prolyl oligopeptidase, dipeptidyl peptidase IV, acylaminoacyl peptidaseandoligopeptidase B.The enzymes of this family specifically hydrolyze oligopeptides with less than 30 amino acids.Many of the POP family enzymes have evoked pharmaceutical interest as they have roles in the regulationof peptide hormones and are involved in a variety of diseases such as dementia, trypanosomiasis and type 2 diabetes.

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  • Molecular phylogeny among catalase–peroxidases, cyto-chromecperoxidases, and ascorbate peroxidases was ana-lysed. Sixty representative sequences covering all known subgroups of class I of the superfamily of bacterial, fungal, and plant heme peroxidases were selected. Each sequence analysed contained the typical peroxidase motifs evolved to bind effectively the prosthetic heme group, enabling per-oxidatic activity.

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  • Abstract Complex I is the fi rst enzyme of the respiratory chain and plays a central role in cellular energy production. It has been implicated in many human neurodegenerative diseases, as well as in ageing. One of the biggest membrane protein complexes, varying in size from 0.5 to 1 MDa, it is an L-shaped assembly consisting of hydrophilic and membrane domains. Previously, we determined the structure of the hydrophilic domain in several redox states. It established the pathway for electron transfer from NADH to quinone via seven Fe-S clusters.

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  • In the synthesis of ammonia, under industrial conditions, the reaction normally comes sufficiently close to equilibrium for the applications of thermodynamics to prove of immense value. t Thus it will predict the influence of changes of pressure, temperature and composition on the maximum attainable yield. By contrast in the catalytic oxidation of ammonia the yield of nitric oxide is determined, not by the opposition of forward and backward reactions, as in ammonia synthesis, but by the relative speeds of two independent processes which compete with each other for the available ammonia.

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  • ADO.NET is the data access component of Microsoft’s new .NET Framework. Microsoft bills ADO.NET as “an evolutionary improvement” over previous versions of ADO, a claim that has been hotly debated since its announcement. It is certainly true that the ADO.NET object model bears very little relationship to earlier versions of ADO.

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  • The relationship between the manufacturers of electronic components and the assemblers of electronic circuitry resembles that between two different orders of living beings, for example insects and plants: they need one another to be able to exist, and for that reason there are close links between the evolutionary paths of both. The shapes and the dimensions of their bodies, or respectively their functions, must match one another, so that whatever is needed to ensure the survival of either species can be properly performed. Any mistakes or mismatches are punished by extinction....

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