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【多选题】
下列关于化学共价法进行固定化酶描述正确的是:
A.
溴化氰—亚胺碳酸基反应法是指含有羟基的载体，在碱性条件下，载体的羟基与CNBr反应，生成活泼的亚胺碳酸基，然后在弱碱条件下，与酶分子上的NH2 发生共价结合
B.
重氮法利用芳香族氨基在亚硝酸钠和稀盐酸酸的作用下形成重氮盐衍生物，然后与酶分子发生化学共价结合的
C.
叠氮法是指带有羧基或羟基、羧甲基等的载体，先在酸性条件下用甲醇处理使之酯化，再用水合肼处理形成酰肼，最后在稀硝酸作用下转变成叠氮衍生物，然后再与酶分子发生共价结合
D.
缩合法主要利用具有羧基或氨基的载体，在缩合剂作用下，使载体的羧基或氨基和酶蛋白上的NH2 或 COOH 形成肽链而被固定的一种方法
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参考答案：
举一反三
【判断题】There are 11 rules and DAT and DAP are created in Incoterms 2010.
A.
正确
B.
错误
查看完整题目与答案
【单选题】In arithmetic the rules of addition are basic, and all the other rules are built on this ______.
A.
basis
B.
bases
C.
base
D.
basises
查看完整题目与答案
【多选题】洗枪作业中,符合防护规范的防护用品是哪些?
A.
耐溶剂手套
B.
防毒面具
C.
棉纱手套
D.
防尘口罩
查看完整题目与答案
【判断题】Phrase structure rules are rules that specify the constituents of syntactic categories. ()
A.
正确
B.
错误
查看完整题目与答案
【单选题】代数法化简逻辑表达式 的最简结果是( )
A.
1
B.
0
C.
X
D.
Y
查看完整题目与答案
【简答题】syntactic movement is dictated by rules traditionally called transformational rules, whose operation may change the syntactic representation of .()
查看完整题目与答案
【单选题】下 列哪种逻辑表达式化简结果是错误的()
A.
A+1=A
B.
A+AB=A
C.
A·1=A
D.
A·A=A
查看完整题目与答案
【简答题】Tennis For Kids at Sam's Sports Camp Children 11-15 will have fun learning the rules and skills of playing tennis Call 905-0000 to sign up for classes 1. Who can learn the rules and skills of playing ...
查看完整题目与答案
【简答题】In arithmetic the rules of addition are basic, and all the other rules are built on this ____.In arithmetic the rules of addition are basic, and all the other rules are built on this ____. A.basis  ...
查看完整题目与答案
【单选题】Everyone _____ the traffic _____. [     ]
A.
should listen; rules
B.
will do; rules
C.
must obey; rules
D.
must obeys; rule
查看完整题目与答案
相关题目：
【判断题】There are 11 rules and DAT and DAP are created in Incoterms 2010.
A.
正确
B.
错误
查看完整题目与答案
【单选题】In arithmetic the rules of addition are basic, and all the other rules are built on this ______.
A.
basis
B.
bases
C.
base
D.
basises
查看完整题目与答案
【多选题】洗枪作业中,符合防护规范的防护用品是哪些?
A.
耐溶剂手套
B.
防毒面具
C.
棉纱手套
D.
防尘口罩
查看完整题目与答案
【判断题】Phrase structure rules are rules that specify the constituents of syntactic categories. ()
A.
正确
B.
错误
查看完整题目与答案
【单选题】代数法化简逻辑表达式 的最简结果是( )
A.
1
B.
0
C.
X
D.
Y
查看完整题目与答案
【简答题】syntactic movement is dictated by rules traditionally called transformational rules, whose operation may change the syntactic representation of .()
查看完整题目与答案
【单选题】下 列哪种逻辑表达式化简结果是错误的()
A.
A+1=A
B.
A+AB=A
C.
A·1=A
D.
A·A=A
查看完整题目与答案
【简答题】Tennis For Kids at Sam's Sports Camp Children 11-15 will have fun learning the rules and skills of playing tennis Call 905-0000 to sign up for classes 1. Who can learn the rules and skills of playing ...
查看完整题目与答案
【简答题】In arithmetic the rules of addition are basic, and all the other rules are built on this ____.In arithmetic the rules of addition are basic, and all the other rules are built on this ____. A.basis  ...
查看完整题目与答案
【单选题】Everyone _____ the traffic _____. [     ]
A.
should listen; rules
B.
will do; rules
C.
must obey; rules
D.
must obeys; rule
查看完整题目与答案
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