MHC限制性是指

MHC限制性是指A.抗原与抗体结合受MC限制B.补体激活受MHC限制C.IgG调理吞噬细胞杀伤靶细胞受MHC限

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资料:It seems simple enough. Take all the line-forming and paper-filling busy work of the government, and put it all up on the Internet. Now, in order to report a pot-hole, pay your property tax, complain to an official or cast a vote, just log on and hit a

资料:It seems simple enough. Take all the line-forming and paper-filling busy work of the government, and put it all up on the Internet. Now, in order to report a pot-hole, pay your property tax, complain to an official or cast a vote, just log on and hit

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直接参与免疫应答的因素应除外

直接参与免疫应答的因素应除外A.中枢免疫器官B.周围免疫器官C.免疫细胞D.免疫分子E.MHC基因产物

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银行的活期存款人通知银行在其存款额度内无条件支付一定金额给持票人的书面凭证是()。A.支票 B.汇票 C.本票 D.存单

银行的活期存款人通知银行在其存款额度内无条件支付一定金额给持票人的书面凭证是()。 A.支票 B.汇票 C.本票 D.存单

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关于Th细胞正确的是

关于Th细胞正确的是A.需要同B细胞相互作用才能活化B.Th细胞是均一的细胞亚群C.需要识别抗原呈递

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