【单选题】
MHC分子与抗原肽结合的部位在
A. 多态性区
B. 嘿嘿嘿
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答案
A
解析
暂无解析
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HLA复合体基因不编码
A. HLA I类分子的b链
B. 嘿嘿嘿
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HLA I类抗原 存在于
A. 所有有核细胞表面
B. 嘿嘿嘿
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MHC I类分子 的受体是
A. CD8
B. 嘿嘿嘿
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HLA的生物学功能不包括
A. 参与超敏反应
B. 哈哈哈
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对人而言,HLA分子属于
A. 同种异性抗原
B. 哈哈哈
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具有抗原识别受体的细胞是
A. T、B细胞
B. 哈哈哈
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可产生免疫细胞的是
A. abT细胞
B. 哈哈哈
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能特异性杀伤靶细胞的细胞是
A. CTL细胞
B. 哈哈哈(ಡωಡ)hiahiahia
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执行特异性免疫功能的细胞是
A. abT细胞
B. 哈哈哈
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T细胞特有的表面分子是
A. TCR
B. 哈哈哈
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不属于TL表面标志是
A. B7
B. 哈哈哈
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T细胞阴性选择中,被清除的细胞是
A. 与抗原肽-MHC过高亲和力结合的sp细胞
B. 哈哈哈
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胸腺细胞阳性选择的结果是
A. T细胞获得对抗原识别的MHC限制性
B. 哈哈哈
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胸腺细胞阴性选择的结果是
A. T细胞对自身抗原形成中枢免疫耐受
B. 哈哈哈
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自身反应性T淋巴细胞通过那种机制被消除
A. 阴性选择
B. 哈哈哈
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T细胞特有表面分子是
A. TCR
B. 哈哈哈
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TCR的主要功能是
A. 识别由MHC提呈的抗原表位
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CD28主要表达于T细胞
A. T细胞
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CD4和CD8分子
A. 均由a链和b链构成异二聚体
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同时表达CD3和CD4分子的细胞
A. Th细胞
B. 哈哈哈
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特异性细胞免疫的效应细胞
A. Th1和CTL
B. 哈哈哈
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Th细胞对CTL的辅助作用是
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Th细胞对B细胞的辅助作用是
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对多钟类型免疫细胞具有抑制作用的是
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b细胞约占外周淋巴细胞总数的
A. 20%
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关于MHC II 类分子的受体是
A. CD4
B. 😄
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可与Th细胞表面CD4分子结合的是
A. MHC II类分子 的b2结构域
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关于HLA II类分子的叙述,正确的是
A. 主要提呈外源性抗原肽
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表达HLA II类类分子的细胞,错误的是
A. 所有的有核细胞
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表达MHC II类分子的细胞是
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HLAI类分子与抗原肽结合的部位是
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A. 其a链由HLA I类基因编码
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下列那种细胞不表达MHC II 分子
A. 胰岛b细胞
B. 嘿嘿嘿
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可被MHC II类分子抗原结合慒容纳的抗原肽长度一般为
A. 13~17个氨基酸残基
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B. 嘿嘿嘿
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B. 嘿嘿嘿
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脐带血哪类Ig增高提示有宫内感染
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A. A. 1945
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A. A. oil crisis
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Of the following practices, does not belong to Thatcher’s social welfare reform.
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Britain’s important fishing areas include all the following except .
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Coal mining industry in Britain provides of the energy consumed in the country.
A. A. 1/3
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The car industry in Britain in mostly .
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Of the following sectors in Britain, has experienced spectacular growth since the end of Word War II.
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Samuel Johnson’s dictionary was influential in establishing a standard form of .
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At present, nearly of the world’s population communicate in English.
A. A. half
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C. C. one third
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The attack on Rome ended the Roman occupation in Britain in 410.
A. A. Norman
B. B. Danish
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By the late 7th century, became the dominant religion in England.
A. A. Celtic Christianity
B. B. Anglo-Saxon Christianity
C. C. Germanic Christianity
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Westminster Abbey was built at the time of .
A. A. St. Augustine
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The marked the establishment of feudalism in England.
A. A. Viking invasion
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C. C. Norman Conquest
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The end of the Wars of the Roses led to the rule of .
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The direct cause for the Religious Reformation was King Henry VIII’s effort to .
A. A. divorce his wife
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The English Civil War broke out in 1642 between .
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【单选题】
was passed after the Glorious Revolution.
A. A. Bill of Rights
B. B. Act of Supremacy
C. C. Provisions of Oxford
D. D. Magna Carta
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The Industrial Revolution was aThe Industrial Revolution was accomplished in Britain by the middle of the century.
A. A. 17th
B. B. 18th
C. C. 19th
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【单选题】
Britain faced strong challenges in its global imperial dominance by the beginning of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th