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【单选题】
下列关于酶活性中心的描述,( )是错误的.A.
活性中心是酶分子中直接与底物结合，并发挥催化功能的部位
B.
活性中心的基团按功能可分为两类，一类是结合基团，一类是催化基团
C.
酶活性中心的基团可以是同一条肽链但在一级结构上相距很远的基团
D.
不同肽链上的有关基团不能构成该酶的活性中心
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举一反三
【单选题】Question 5 to 7 will be based om the following news items
A.
They created long-term relationships with Indonesia and Vietnam.
B.
They granted scholarshipw to Indonesia students.
C.
They enrolled Indonesia students in student exchange programs.
D.
They offered American college admission information to Indonesia students.
【简答题】燃料油蒸气排放控制系统主要由哪些部件组成？各有什么作用？
【单选题】Question 5 to 7 will be based om the following news items
A.
To fund exchange programs in subjects such as agriculture, business and information technology.
B.
To support intensive language training programs for both Americans and Indonisians.
C.
To promote the trade between America and fast-growing ecnomies like Indonesia and Vietnam.
D.
To provide financial aid for American students who study in Indonesia.
【简答题】燃油蒸气排放控制系统主要由哪些部件组成?各有什么作用?
【简答题】( )是一个民族赖以维系的精神纽带。
【单选题】Question 5 to 7 will be based om the following news items
A.
15 million dollars
B.
50 million dollars
C.
165 million dollars
D.
156 million dollars
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