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Plasmids are extra-chromosomal, self replicating, usually circular, double stranded DNA molecules found naturally in many bacteria and also in some yeasts. It was discovered by Willium Hays and Joshua. Lederberg in 1952.
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副体验到的人物性格的人是一 一拥而入住宅女贪官们不是在中国古代有的是钱了吧
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