نتایج جستجو برای: taxonomical problem
تعداد نتایج: 881493 فیلتر نتایج به سال:
It is well established that the vast majority of proteins of all taxonomical groups and species are initiated by an AUG codon, translated into the amino acid methionine (Met). Many attempts were made to evaluate the importance of the sequences surrounding the initiation codon, mostly focusing on the RNA sequence. However, the role and importance of the amino acids following the initiating Met r...
Recently, collaborative discussions based on the participant generated documents, e.g., customer questionnaires, aviation reports and medical records, are required in various fields such as marketing, transport facilities and medical treatment, in order to share useful knowledge which is crucial to maintain various kind of securities, e.g., avoiding air-traffic accidents and malpractice. We int...
The tree of life is currently an active object of research, though next to vertical gene transmission non vertical gene transfers proved to play a significant role in the evolutionary process. To overcome this difficulty, trees of life are now constructed from genes hypothesized vital, on the assumption that these are all transmitted vertically. This view has been challenged. As a frame for thi...
The genus Laurencia(Rhodomelaceae), a complex group, has 285 species and infraspecific names. Identification and taxonomy of these taxa, mainly has been based on flexible morphological characters which have led to a complicated taxonomy in this group. Nowadays, taxonomical study of this group has changed a lot by using reproductive characters, anatomical differences and modern...
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