下图代表人体体液免疫的过程。相关叙述正确的是( ) A.细胞Ⅰ和

下图代表人体体液免疫的过程。相关叙述正确的是(  )

A.细胞Ⅰ和细胞Ⅱ均能识别抗原

B.在①和⑨所在的阶段中,可能有吞噬细胞的参与

C.免疫过程⑥比⑦要慢,免疫效应⑥比⑦要强

D.图中免疫活性物质是抗体、淋巴因子、溶菌酶

 

答案

A

图中细胞Ⅰ是B细胞,细胞Ⅱ是记忆细胞,细胞Ⅲ是浆细胞;在①阶段,吞噬细胞摄取、处理、呈递抗原,⑨阶段无吞噬细胞参与;⑦为二次免疫,二次免疫更快、更强。图中的免疫活性物质是抗体。

 

相关题目

波斯湾地区与我国新疆在自然环境方面的相同之处有 ①石油
波斯湾地区与我国新疆在自然环境方面的相同之处有 ①石油资源丰富                                      ②位于内陆,气候干燥 ③
图中商家侵犯了消费者的A.安全权B.自主选择权C.求偿权D
图中商家侵犯了消费者的A.安全权B.自主选择权C.求偿权D.公平交易权
We can jump _______ on the moon than on the earth. A. more high       
We can jump _______ on the moon than on the earth. A. more high        B. much         C. high        D. much higher
有极昼、极夜现象出现的大洲是A.亚洲、南美洲         
有极昼、极夜现象出现的大洲是A.亚洲、南美洲                   B.大洋洲、南极洲C.欧洲、南极洲                   D.非洲、北美洲
 When I woke up, I found myself ______ in bed and ______ by doctors and nurses
 When I woke up, I found myself ______ in bed and ______ by doctors and nurses.        A. lying; surrounding                                         
某生物兴趣小组,为指导草原牧民更科学的放牧,对草原生物种
某生物兴趣小组,为指导草原牧民更科学的放牧,对草原生物种群进行了各项调查,请回答以下问题: (1) 为确定放牧量,兴趣小组对该草原上的某种优质牧
Should people who study science and business pay less for college than people w
Should people who study science and business pay less for college than people who focus on art and history? That may soon be the case at Florida’s state universities.        In tough economi
Stephen Hawking knew what he wanted to do by the time he was eight years old. H
Stephen Hawking knew what he wanted to do by the time he was eight years old. His parents lived in London where his father was researching medicine. He did not want to follow his father as his paren

最新题目