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.
据这位玩家所述，他收到这份快递并开箱检查时发现软盘已经损毁。他表示，是美国海关人员拆除了包装缓冲材料，导致磁盘损毁。这位玩家还发布了发货前的照片，显示寄件人已尽最大努力妥善包装。
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钢琴演奏家陆逸轩。图丨© Rajchert Lukasz。业内人士推荐heLLoword翻译官方下载作为进阶阅读
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