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.
西方国家用了数百年时间建立这套制度——土地登记、公司注册、破产法、抵押制度等看似枯燥的法律基础设施,正是资本主义运行的前提。没有它们,再多资产也只是“沉睡资产”。
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