Sentence examples for problems of origin from inspiring English sources

Complicating problems of origin, all of the pandemic and epidemic influenza A viruses that have appeared since 1918 have been descendants of it, arising by either genetic drift, reassortment with prevalent avian viruses, or in 1 case (1977) by apparent release from a freezer.

However this searching hardly can be effective without sufficiently universal concept of life origin, which incidentally tackles a problem of origin of life on the Earth.

Einstein once ranked the problem of origin of the Earth's magnetic field among the three most important and unsolved problems in physics.

[only full edition since 1863, with good short biography by Clodd] In 1847, Bates and his friend Alfred Russel Wallace, both in their early twenties, agreed that they would jointly make a collecting trip to the Amazon "towards solving the problem of origin of species".

One is the "problem of comparison", or how to compare very differently structured elements (many multi-domain proteins are only homologous along parts of their sequences); the other is the "problem of origin", or how to determine which members in a complex family of proteins share a common ancestral gene.

The problem of origin of life on Earth (abiogenesis) remains one of the central and most intractable problems of modern biology.

It is of interest to start from Erasmus Darwin, but to state that the problem of origin of life started with him is so inaccurate that it is really surprising that such a sentence could have been written.

A statement from Fiat said: "Lapo Elkann was hospitalised for respiratory problems of pharmacological origin.

Arising of "genotype phenotype" connection one of the most complicated problems of the origin of life.

These observations raise the problems of the origin of the rDNA instability and the viability of meiotic products.

We believe that evolutional biology will help to solve the problems of the origin and development of hematological diseases.