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【单选题】
下列哪项是生物素-亲和素系统放大作用的主要机制？( )A.
经化学修饰生物素成为活化生物素
B.
亲和素的四个生物素部位，可同时结合多价性的生物素化衍生物
C.
两者之间极高的亲和力
D.
生物素、亲和分别与酶、放射性核素等结合形成标志物
E.
以上均不是
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皮皮学刷刷变学霸
举一反三
【简答题】关节韧带拉伤、半月板损伤、关节内骨折及关节脱位等可 损伤滑膜,造成急性滑膜炎,引起关节积血,
【单选题】What is the function of the L eading peptide? ( )
A.
Targeting organelles or structure of cell
B.
Maintenance of protein conformation
C.
E ssential for the activity of m ature protein
D.
None of the above
【单选题】I hope this（ ）further business between US．
A.
1eads to
B.
will lead to
C.
1eading to
D.
1ead to
【简答题】Exercis 1 A.doc
【简答题】Which of the following is true according to John Dewey? A) An individual can exercise very little influence on the cultural tradition into which he is born. B) Custom is the direct result of the philo...
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【单选题】I hope this（ ）further business between US．
A.
1eads to
B.
will lead to
C.
1eading to
D.
1ead to