منابع مشابه
Intraflagellar transport drives flagellar surface motility
The assembly and maintenance of all cilia and flagella require intraflagellar transport (IFT) along the axoneme. IFT has been implicated in sensory and motile ciliary functions, but the mechanisms of this relationship remain unclear. Here, we used Chlamydomonas flagellar surface motility (FSM) as a model to test whether IFT provides force for gliding of cells across solid surfaces. We show that...
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[1] Permafrost thaw can affect decomposition rates by changing environmental conditions and litter quality. As permafrost thaws, soils warm and thermokarst (ground subsidence) features form, causing some areas to become wetter while other areas become drier. We used a common substrate to measure how permafrost thaw affects decomposition rates in the surface soil in a natural permafrost thaw gra...
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Cell response to matrix rigidity has been explained by the mechanical properties of the actin-talin-integrin-fibronectin clutch. Here the molecular clutch model is extended to account for cell interactions with purely viscous surfaces (i.e., without an elastic component). Supported lipid bilayers present an idealized and controllable system through which to study this concept. Using lipids of d...
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Recently there has been another round of controversial news regarding genetically modified organisms (GMO). Perhaps the best known debate on these centers on corn. A recent French study showed severe kidney and liver abnormalities in rats that were fed this corn for up to 2 years. Immediately afterward, Russia banned the use of this seed and the corn it produces. Because other studies have not ...
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1. The Problem. Marx is undeniably a fierce critic of a capitalist organization of economic activity. By what standards does Marx assess capitalism and find it objectionable? In many passages it seems that Marx's critique is based upon notions of justice and fairness which in his opinion capitalism flagrantly fails to satisfy. In the "Communist Manifesto," contrasting the phenomenon of exploita...
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ژورنال
عنوان ژورنال: JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN
سال: 1999
ISSN: 0388-3051,1884-4758
DOI: 10.5988/jime1966.34.371