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Gaokao Biology Practice Question

1．（6分）下列关于真核细胞中转录的叙述，错误的是（）

  1. A.tRNA、rRNA和mRNA都从DNA转录而来
  2. B.同一细胞中两种RNA的合成有可能同时发生
  3. C.细胞中的RNA合成过程不会在细胞核外发生
  4. D.转录出的RNA链与模板链的相应区域碱基互补

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