نتایج جستجو برای: couldnt have another destiny
تعداد نتایج: 3079799 فیلتر نتایج به سال:
Spindle microtubules sustain the tension C hacón et al. reveal how the mitotic spindle maintains a constant level of tension on correctly attached chromosomes. When sister chromatids attach to microtubules emanating from opposite spindle poles, the chromatin that surrounds and connects the chromatids' centromeres is thought to come under tension, generating a mechanical signal that permits the ...
COROT is a space mission approved by the French Space Agency CNES. Its goal is to make a signiicant step forward in the understandig of the origins and destiny of stars and of planetary systems.
In 1949, several decades before the birth of the PC, computer scientist John von Neumann announced, “It would appear we have reached the limits of what is possible to achieve with computer technology.” He quickly and prudently added, “One should be careful with such statements; they tend to sound pretty silly in five years.” More than half a century later, it is Neumann’s caveat rather than his...
Manganese is a naturally occurring element that constitutes approximately 0.1% of the earth's crust, and low levels of Mn in water, food, and air are ubiquitous. In certain geo-logic regions, long contact times between ground water and bedrock enriched in Mn can lead to locally high levels in the water [U.S. Environmental Protection Agency (EPA) 2004]. Mn is an essential nutrient, and ingestion...
Although garlic and onions have long been associated with putative cardiovascular health benefits, the effects of different commercially available onions and level of intake have not been studied. Therefore, the aim of the present study was to evaluate the potential health benefits of raw onions using the pig as a biomedical model. Twenty-five female (Large White x Landrace) pigs were used in a...
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