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下列关于免疫细胞的叙述中,正确的是()。

单选题
2021-12-29 13:41
A、一个浆细胞可以合成和分泌不同的抗体
B、辅助性T细胞表面具有能与HIV结合的受体
C、效应细胞毒性T细胞能分泌白细胞介素-2作用于靶细胞
D、B细胞分化成记忆B细胞后,其膜表面接受抗原的受体类型已改变
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正确答案
B

试题解析
一个浆细胞只能分泌一种抗体,A错误;辅助性T细胞能识别抗原,表面有能与 HIV结合的受体蛋白,B正确:效应细胞毒性T细胞不能分泌淋巴因子,但可以作用靶细胞,使靶细胞裂解死亡,C错误;B细胞分化成记忆B细胞后,由于能识别同一种抗原,因此细胞膜表面识别抗原的受体并没有改变,D错误。

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