Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor .
许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作。
Many enzymes will not work without the presence of an additional , nonprotein substance called a cofactor .
许多种酶只有在附加的称为辅因子的非蛋白质物质存在时才起作用。
A comparison of the dynamic changes and relationship between nonprotein and protein sulfhydryl group contents during cataract formation caused by different inducers .