人吃进去的食物,无论是动物性的还是植物性的,都含有蛋白质。这些蛋白质在人体内经过消化、吸收、分解,大部分用于重新构成人体各种细胞的蛋白质,也有一部分,分解后转化为人体活动所需要的能量。在新陈代谢的过程中,蛋白质会被分解为各种氨基酸,氨基酸再分解为核苷酸。如果不被用作构成新的人体所需 People eat food, whether animal or plant, contains protein. These proteins in the human body after digestion, absorption, decomposition, most of the proteins used to reconstitute a variety of human cells, but also part of the decomposition into the energy required for human activity. In the metabolic process, the protein will be broken down into a variety of amino acids, amino acids and then broken down into nucleotides. If not used to form new human needs