Анатолий Акулов (редактор)
Фото: Родион Прока / РИА Новости，更多细节参见体育直播
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Protesters take to the streets of Tehran on Friday night
Sanger sequencing reaction mixtures included purified template DNA, a primer, DNA polymerase, and all four dNTPs. Each reaction also included a radiolabeled ddNTP version of just one of the four nucleotides. Only a small amount of each ddNTP was added, however, to ensure that a fraction of the total DNA fragments produced stopped at each occurrence of that base. As with previous methods, separating fragments via length and performing autoradiography allowed scientists to read the final sequence.。业内人士推荐旺商聊官方下载作为进阶阅读