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核酸紫外吸收依赖于以下何种结构?

  • A、

    A、 糖苷键

  • B、

    B、 磷酸二酯键

  • C、

    C、 碱基的共轭双键

  • D、

    D、 酯键

  • E、

    E、 以上皆不是

 参考答案:
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