Plus reactions worked differently: they used T4 DNA polymerase, an enzyme with strong 3’ to 5’ exonuclease activity, meaning it can chew back the end of a DNA strand. In the presence of only one dNTP, T4 DNA polymerase would degrade each fragment from its 3’ end until it reached a nucleotide complementary to that dNTP, at which point the exonuclease activity would be inhibited. This ensured that all fragments in a given plus reaction ended with the same nucleotide.
Infrastructure-Modules (aka Infra-Modules)
。业内人士推荐服务器推荐作为进阶阅读
（二）一般纳税人中的银行、财务公司、信托公司、信用社；
有了前车之鉴，GUESS的可能路径反而更清晰。重塑的关键并不在于渠道动作，而在于如何界定自己的核心资产。相比GAP强调基础款秩序、Forever 21押注快反与话题，GUESS若继续停留在“美式性感牛仔”的旧叙事，很难打开新的空间。
Watch: Olivia Dean and Lola Young accept their Brit Awards