【单选题】有关酶活性中心的描述错误的是
B.
活性中心内的必需基团有两类,催化基团和结合基团
【单选题】It is important that a university student at least one foreign language.
【单选题】I __a university student.
【单选题】A university student in Nairobi, Kenya, was stopped for a traffic violation the other day. The policeman took out his ticket book and asked,' What tribe are you?.' In Lusaka, Zambia, a young man apply...
A.
Because he was a Mashona.
B.
Because he was not a Mashona.
C.
Because he could do the job.
D.
Because he had no such ability.
【单选题】Xiao Wang()a university student next year.
【单选题】有关酶活性中心的描述除哪项外,都是错误的
A.
酶的活性中心是指能与底物特异性结合并把底物转换为产物的空间结构区域
B.
酶的活性中心是由一级结构上相互临近的基团组成的
E.
酶的活性中心外的必需基团也参与对底物的催化作用
【单选题】关于酶活性中心的描述,错误的是
A.
酶的活性中心外的必需基团是维持酶空间构象所必需
C.
酶的活性中心是由一级结构上相互邻近的基团组成的
D.
当底物与酶分子相接触时,可引起酶活性中心构象改变
E.
活性中心是有一定空间构象,直接参与酶促反应的区域
【单选题】关于酶活性中心的描述,哪项是错误的 ?
A.
酶的活性中心外的必需基团是维持酶空间构象所必需
C.
酶的活性中心是由一级结构上相互邻近的基团组成的
D.
当底物与酶分子相接触时,可引起酶活性中心构象改变
E.
活性中心是有一定空间构型,直接参与酶促反应的区域
【单选题】Which statement is INCORRECT about the man?
A.
He was a university student at that time.
B.
He took lots of courses, including Commercial and Legal Studies.
C.
He had worked at a supermarket in the Christmas holidays.
D.
He passed the phone interview.