Afghanistan has become Indian 'colony' - Pakistan

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40-летняя учительница 22 раза изнасиловала школьника в своей машине02:00

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한동훈 “나를 탄핵의 바다 건너는 배로 써달라…출마는 부수적 문제”

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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.