This reaction would contain only low concentrations of the dNTPs and relied upon brief incubation times, so that DNA synthesis would stall at random positions along the template and yield a population of DNA fragments with varying lengths. These unfinished DNA fragments were then purified and used as templates in four “minus” and four “plus” reactions.
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08:39, 5 марта 2026Бывший СССР
Елена Торубарова (Редактор отдела «Россия»)，详情可参考搜狗输入法
王蒙不完全这样看，认为这是对上阕的激赏、珍惜、永志不忘；是期待、追寻，是志在中华，是即使白发堪怜，不忘“挑灯看剑”。没有剑，剑生锈，保护不了吾国吾民，保护不了美好无垠的元宵节日，必须匹夫有责，必须保证保护年年上元，花开千树，灯光星雨，凤箫玉壶，鱼龙街舞，人民的生活幸福更幸福。