We all know that linear polymers of amino acids (proteins) adopt complex three-dimensional structures when they are dissolved in water.

众所周知，氨基断的线性聚合物(蛋白质)在溶解于水中时，会采取复杂的三维结构。

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The situation of producing amino acid, t he properties and uses and developing vistas of lysine and complex amino acid are introduced in the paper.

介绍了国内外氨基酸的生产状况， 赖氨酸、 复合氨基酸的性质、用途及开发前景。

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Investigating the interaction mechanism of metal or metal complex with biomolecule, such as DNA, protein and amino acid, provides a starting point for the diagnosis of metal-induced human disease.

金属及其配合物与dna、蛋白质、氨基酸等生物分子的作用机理研究，是诊断和治疗由金属引起的疾病的重要环节。

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All life as we know it on Earth trades off a source of complex carbon molecules, such as amino acids - just as it needs water and energy.

BBC: Gale Crater: Geological 'sweet shop' awaits Mars rover