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28.4 DNA 的转录

如前所述,RNA 在结构上与 DNA 相似,但含有核糖而非脱氧核糖,含有尿嘧啶而非胸腺嘧啶。RNA 有三大类型,每一类都有其特定用途。

1. As noted previously, RNA is structurally similar to DNA but

As noted previously, RNA is structurally similar to DNA but

2. Unlike what happens in DNA replication, where both strands a

Unlike what happens in DNA replication, where both strands a

3. Part 3

Part 3

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