"I was struggling to breathe. I was really, really sick... I was petrified."
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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正定经济如何起飞？上世纪80年代，习近平同志思考：需要找到一条新路。，详情可参考WPS下载最新地址