منابع مشابه
When the chips are down.
Mini revolutions in DNA technology began with the structure of the double helix. Several major advances over the last 45 years include restriction enzyme mapping, DNA sequencing, and PCR. Each advance generated much excitement, and its importance was recognized by the Nobel Prize. And now, once again, DNA technology has made a quantum leap. Even a few years ago it would have seemed preposterous...
متن کاملThe chips are down for Helicobacter pylori.
T he whole genome sequence of Helicobacter pylori strain 26695 was published in 1997 and that of a second strain, J99, in 1999. 2 These publications moved H pylori research forward by a quantum leap. Comparing H pylori genes with genes of known function in other bacteria gave immediate insights into H pylori metabolism, structure, adaptive mechanisms, and virulence. Research became more focused...
متن کامل‘When the Chips are Down’: The Relation between Stress, Social Support, and Food Product Attitudes
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متن کاملAre Communication Skills as effective factors on Sibling Relationships of Adolescents with Down Syndrome?
Objectives: Sibling relationships are often among the longest lasting relationships between people, and more than two-thirds of adolescents with siblings introduce their siblings as the most important people in their life. Therefore, the aim of this study was to evaluate the effectiveness of communication skills on sibling relationships among the adolescents with Down syndrome. Methods: <a c...
متن کاملAre computers driving real wages down?
The annual growth in mean employee compensation plummeted from 2.6% in 1947–73 to 0.4% in 1973–2003. Using both time-series regression and pooled, cross-section, time-series regression analysis for 44 industries over the period 1953–2000, we find that earnings growth is positively related to overall productivity growth, capital investment excluding computers, and the unionization rate. We find ...
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ژورنال
عنوان ژورنال: Nature
سال: 2002
ISSN: 0028-0836,1476-4687
DOI: 10.1038/nj6893-03a