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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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abs_target = os.path.abspath(target)
Россиянам раскрыли способ упаковки вещей в ручную кладь по методу «судоку»20:51
Бритни Спирс арестовали20:54