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【简答题】

[名词解释] 抗原决定基(antigen determinant)

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题目标签:决定抗原决定基
参考答案:
参考解析:
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【单选题】根据《国务院关于进一步加强安全生产工作的决定》,我国重大危险源的监控分为()。

A.
市(地)、省(区、市)和国家三级
B.
县(市)、市(地)、省(区、市)和国家四级
C.
乡镇、县(市)、市(地)和省(区、市)四级

【单选题】The immune system is equal in complexity to the combined intricacies of the brain and nervous system. The success of the immune system in defending the body relies on a dynamic regulatory communicatio...

A.
the ages of the twins’’ tissues are exactly alike.
B.
the twins’’ tissues bear the same self-markers.
C.
the father and daughter are different in sex.
D.
the twins’’ molecules possess identical memory.

【单选题】The immune system is equal in complexity to the combined intricacies of the brain and nervous system. The success of the immune system in defending the body relies on a dynamic regulatory communicatio...

A.
recognize and reject all alien molecules that enter the body.
B.
remove all the substances that invade the body organisms.
C.
defend the body from attacks of different viruses or bacteria.
D.
identify and specify all non-self molecules it encounters.

【多选题】有关抗原决定基描述错误的是

A.
与抗原特异性有关
B.
并非所有的决定基都能激发免疫应答
C.
能与所有T细胞TCR结合
D.
一个抗原分子上仅有一个决定基
E.
可T或B被细胞识别