1. The deoxyribonuclease enzyme helps break down DNA molecules into smaller fragments.
(去氧核糖核酸酶有助于将DNA分子分解成较小的片段。)
2. The scientist used deoxyribonuclease to study the structure of the DNA molecule.
(科学家使用去氧核糖核酸酶来研究DNA分子的结构。)
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