In 1977, Sanger developed a much simpler sequencing method, called “chain termination,” which is today known simply as Sanger sequencing. This technique took advantage of a different type of special nucleotide called a dideoxyribonucleotide, or ddNTP. ddNTPs lack one of the hydroxyl groups present on a normal dNTP, preventing the chemical reaction necessary to add another nucleotide and terminating DNA elongation.
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这种急躁动武的原因，在《环球时报》援引美国防务新闻网站消息中得到了政治层面的解释。因为美国国会即将举行公开投票，要求在未经国会正式授权的情况下，限制特朗普“擅自对伊朗的军事打击”。，推荐阅读爱思助手下载最新版本获取更多信息
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