【多选题】关于底物浓度对酶促反应速度影响正确的叙述是()
A.
底物的浓度低时,反应速度随底物浓度增加而成正比加快
B.
底物浓度较高时,反应速度随底物浓度增加而加快,但不成正比关系
C.
底物浓度达饱和后,增加底物浓度,反应速度随增加而加快
E.
底物浓度达饱和后,再增加底物浓度,反应速度不变
【单选题】关于GC法中柱温的选择,下列说法错误的是
【简答题】阅读与回答问题。 阅读下列短文,回答短文后五个问题,并将答案写在相应的位置上。 Liangliang was a five-year-old Chinese boy. He lived in a small town. He liked listening to stories and playing s. He was ready to learn anything new. When ...
【简答题】阅读短文,回答问题: D Whatdothe classic rulesmentionedinthetext apply to? 查看材料 A.News reports. B.Research papers. C.Private e-malls. D.Daily conversations.
【单选题】关于GC法中柱温的选择,下列说法错误的是
【简答题】阅读下面短文,根据短文内容回答问题。 What is the hottest topic at your school? In Hangzhou Yongjin Middle School, it's money. The school ran an activity called ' a Living' recently. About 800 Junior One and Junio...
【单选题】在酶促反应动力学中,底物浓度对反应速度影响的叙述,错误的是
C.
底物达某一值后,反应速度达最大,反应速度不再增加