将菌落影印接种在硝酸纤维素滤膜上。
The colonies are replica-plated onto nitrocellulose filters.
再将硝酸纤维素滤膜置于含碱的湿滤纸上， 碱的作用是使DNA变性。
The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.
再将硝酸纤维素滤膜置于含碱的湿滤纸上， 碱的作用是使DNA变性。
The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.
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