| 正面 | replicon: The length of DNA replicated from a single origin. |
| 背面 | 复制子 能够独立进行复制的基因组单位。即从复制起点到复制终点所包含的DNA序列。 |
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| 正面 | denaturation: The partial or complete unfolding of the specific native conformation of a polypeptide chain, protein, or nucleic acid such that the function of the molecule is lost. In the case of nucleic acids, also called melting. |
| 背面 | 变性 当DNA溶液温度接近沸点或者PH较高时，DNA互补的两条链分开，即变性。 可用于southern blotting和DNA芯片分析等。 |
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| 正面 | nucleotide: A nucleoside phosphorylated at one or more of its pentose hydroxyl groups. |
| 背面 | 核苷酸DNA、RNA的基本结构单位，由磷酸、核糖、碱基三部分构成。 |
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