微扰效应
参考答案:
由于载体固有的性质使紧邻固定化酶的区域发生微环境变化,使酶的催化能力及酶对效应物作出调节反应的能力发生改变,这种效应被称为微扰效应。
We had no time_________, but we had a great time _________the model plane together.
A.to chat;making
B.to chat;to make
C.chatting:making
D.chatting;to make
简述电磁动阀门的工作原理?