منابع مشابه
Why was Darwin’s view of species rejected by twentieth century biologists?
Historians and philosophers of science agree that Darwin had an understanding of species which led to a workable theory of their origins. To Darwin species did not differ essentially from ‘varieties’ within species, but were distinguishable in that they had developed gaps in formerly continuous morphological variation. Similar ideas can be defended today after updating them with modern populati...
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In viviparous species, the conceptus must be protected from a potentially hostile maternal immune system. The major histocompatibility complex (MHC) is a genetic region that encodes MHC class I and class II proteins, which present peptide antigens to T lymphocytes and induce graft rejection. The MHC, class II proteins are only expressed on professional, antigen-presenting cells. However, classi...
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A majority of manuscripts submitted to peer-reviewed journals are either rejected or require revision which may be minor or major in nature. Acceptance or rejection rates vary from journal to journal, and are dependent on a variety of factors, such as inventory of articles waiting publication, number of new submissions and constraints imposed by the size of the journal, particularly the printed...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 1998
ISSN: 0096-3941
DOI: 10.1029/98eo00132