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一、名词解释 1.肽:氨基酸通过肽键联结起来的化合物称为肽。2.该蛋白质的等电点:当溶液在某一pH值时,蛋白质所带正电荷与负电何相等而呈电中性,此时溶液的pH值称为该蛋白质的等电点,常用pI表示。3.酶:是由活细胞产生的,能在体内或体外起催化作用的一类生物催化剂,其本质是蛋白质。4.同功酶:指功能相同(催化相同的化学反应),而酶蛋白的结构和理化性质不完全相同的酶。5.维生素:是具有生物活性的一类低分子有机化合物,是人体进行物质代谢,维持正常生理
First, the terminology to explain 1. Peptides: amino acids linked by peptide bonds known as the peptide compound. 2. The isoelectric point of the protein: When the solution at a certain pH value, the protein with a positive charge and the negative charge is equal to the electrical neutrality, then the pH value of the solution is called the isoelectric point of the protein, commonly used pI Said. 3. Enzymes: A class of biocatalysts that are produced by living cells and act as catalysts in vivo or in vitro, the essence of which is protein. 4. Isoenzyme: Refers to the same function (catalyzing the same chemical reaction), while the enzyme protein structure and physical and chemical properties are not exactly the same enzyme. 5. Vitamins: is a class of biological activity of a class of low molecular weight organic compounds, the body’s metabolism, maintain normal physiology