Analysis by gel electrophoresis revealed slight differences in amino acid sequence of the enzymes of two of the four pairs.

经凝胶电泳分析，发现四对实验对象中有两对的酶的氨基酸序列略有差异。

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This is significant, because the amino acid sequence of an enzyme is determined by genes.

这很重要，因为酶的氨基酸序列是由基因决定的。

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The 32 amino acid sequence then binds and ligates the two fragments that then constitute a second copy of one of the other nine 32 long polypeptides.

这32种氨基酸序列，然后与那两种片段连接，它们然后构成了32种中的其他9种长多肽的第二套副本。

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One of them has the right sequence of codons to specify the amino acid sequence of the protein, and the other one has a complimentary sequence.

该段带有正确的密码子序列,能够指导氨基酸序列合成蛋白质,另一段则是它的互补序列

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The tag is a particular sequence of the amino-acid units of which all proteins are composed.

ECONOMIST: The 1999 Nobel prizes