The Missing Link: The Story of Karl Paul Link
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چکیده
منابع مشابه
Finding the missing link
The discovery of an ancient protein complex reveals the evolutionary relationships between the proteins that help to form vesicles.
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hen endothelial cells adhere to the extracellular matrix protein fibronectin, they can proliferate in response to growth factors. Adhesion to laminin, however, brings their cell cycles to a dead stop. Why? Given that the response depends on the composition of the extracellular matrix, Filippo Giancotti and his colleagues at the Memorial Sloan-Kettering Cancer Center (New York, NY) proposed in 1...
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state-transition relation are mapped onto physical states-types related by a corresponding causal state-transition relation.” (Chalmers, 1994, p. 392) There is a little ambiguity in the two phrasings as to what the exact meaning of “mirrors” is supposed to be. Prima facie one would expect “mirrors” to mean something like “is isomorphic to,” as “mirrors” usually indicates sameness in structure. ...
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Ever since I discovered that the average afibber (myself included) has a dietary copper intake about one fifth of that of our benchmark (Fran’s) diet I have become increasingly intrigued by the possibility that copper and the ratio of zinc:copper in the diet (zinc inhibits the absorption of copper) could be a key factor in lone atrial fibrillation. I would like to propose a new hypothesis for y...
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infect other individuals. In return, they gain immortality, as they are passed down to successive generations of hosts. Yet, although no other micro organisms can invade the genome, endogenization has a parallel among bacteria, which had just as profound a role in evolution. There is now widespread agreement that the mitochondria in eukaryotic cells probably originated as endogenous bacteria th...
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ژورنال
عنوان ژورنال: Toxicological Sciences
سال: 2002
ISSN: 1096-0929
DOI: 10.1093/toxsci/66.1.4