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问题详情

产生CD4+T细胞活化的第2信号分子是

A、TCR与抗原肽

B、TCR与CD3

C、CD28与B7

D、CD4与MHC-II类分子

时间：2021-09-01 19:48 关键词：联大河南医学高等专科学校临床医学病原微生物与免疫学

答案解析

C

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