Well you do that by this Watson-Crick base pairing, so I know if I have I know what messenger RNA to make from that because I have to satisfy these base pairing rules.

依据的是沃森克里克碱基互补配对原则,如果给我一个ACGCGA的序列,就能知道转录出的mRNA会是什么,因为我必须满足碱基配对原则

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