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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.
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Trump in February said he would leave the decision up to the Department of Justice, rather than being personally involved, as he had initially claimed.，这一点在服务器推荐中也有详细论述
Updates from the match in Colombo; 1.30pm GMT start，推荐阅读搜狗输入法下载获取更多信息