Proteins are large, complex molecules made up of smaller subunits called amino acids. (Illustration courtesy of the Human Genome Program of the U.

蛋白质是由称为胺基酸的较小次单元所组成的大型复杂分子。

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Proteins are large, complex molecules made up of smaller subunits called amino acids. (Illustration courtesy of the Human Genome Program of the U.

蛋白质是由称为胺基酸的较小次单元所组成的大型复杂分子。

youdao