The activities of protease and sucrase are fairly sensitive to the change of environment factor, but the activities of catalase and polyphenoloxidase are not. 2.

• 结果表明:1.；蛋白酶和蔗糖酶的活性对环境因子的变化表现较敏感；而过氧化氢酶和多酚氧化酶较稳定。