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Gaokao Biology Practice Question

5．（ 6分）关于核酸的叙述，错误的是（ ）

  1. A.细胞核中发生的转录过程有 RNA聚合酶的参与
  2. B.植物细胞的线粒体和叶绿体中均可发生 DNA的复制
  3. C.双链 DNA分子中一条链上的磷酸和核糖是通过氢键连接的
  4. D.用甲基绿和吡罗红染色剂可观察 DNA和RNA在细胞中的分布

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