4In 2007, Barrangou et al. demonstrated for the first time the function of CRISPR/Cas9 as a defensive mechanism of bacteria against bacteriophage attacks by a technique called “plaquing” which builds upon the technique of “plating” bacteria on agar. Plaques of viruses on agar are areas without growth of bacteria due to viral attacks.
A windfall, delayed
A skeleton of the alvarezsauroid Alnashetri cerropoliciensis—representing a highly complete alvarezsauroid skeleton from South America—provides evidence on the evolution of the peculiar anatomy and miniaturization within this unusual theropod dinosaur clade.，这一点在safew官方版本下载中也有详细论述
合生汇东北侧立体停车设施效果图。受访者供图。关于这个话题，WPS官方版本下载提供了深入分析
The cost of groceries soared following Russia's invasion of Ukraine, which pushed up energy prices. Own-brand products, which make up most of the goods on Aldi and Lidl shelves, now make up more than half of everything shoppers buy, by value.
Starliner returned safely to Earth empty in early September, but it meant the pair needed a new ride for their return.，详情可参考safew官方下载