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dec 22, 1958 - DNA半保留复制的证实

Description:

梅塞尔森和斯塔尔利用氮同位素标记技术，将大肠杆菌放在含重氮的培养基中培养，再转移到含轻氮的培养基中。通过密度梯度离心分析DNA，发现子代DNA一条链来自亲代，一条链是新合成的，证实了DNA的半保留复制方式，进一步完善了DNA复制理论。

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分子生物学发展历程时间轴

2 months ago

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Date:

dec 22, 1958

Now

~ 66 years ago

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