Белый дом назвал причину решения Трампа ударить по Ирану02:40
For each minus reaction, the purified DNA fragments were incubated together with three of the four dNTPs, meaning each fragment would be extended by DNA polymerase until the missing nucleotide was needed, at which point synthesis would halt.
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一名女子站在尖东大富豪夜总会外的街边（图：南方人物周刊记者 方迎忠）
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The conflict-ravaged East African country recently secured a temporary waiver on its debt payments to Chinese creditors and an agreement in principle on further debt relief with its bilateral creditors.