实际上,是角蛋白使它们变得富有弹性,并且没有角蛋白的话,它们会变得非常坚硬。
Now hair, whatever it is for and wherever it is on the human body, is composed mainly of a protein called keratin.不管毛发是用来做什么的,也不管它在人体的哪个部位,它都主要由一种叫做角蛋白的蛋白质组成。
The alpha helix is found in muscle protein and keratin.α螺旋存在于肌肉蛋白和角蛋白中。