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【简答题】
在1990年医生对一位因缺乏腺苷脱氨酶基因而患先天性体液免疫缺陷病的美国女孩进行治疗。采用的方法是首先将患者的白细胞取出作体外培养,然后用某种病毒将正常腺苷脱氨酶基因转入人工培养的白细胞中,再将这些转基因白细胞回输到患者的体内,经过多次治疗,患者的免疫功能趋于正常。 (1)该病治疗运用了基因工程技术,在这个实例中运载体是 ,目的基因是 ,目的基因的受体细胞是 。 (2)将转基因白细胞多次回输到患者体内后,免疫能力趋于正常是由于产生了 ,产生这种物质的两个基本步骤是 和 。 (3)人的腺苷脱氨酶基因与胰岛素基因相比,其主要差别是 . (4)该病的治疗方法属于基因工程运用中的 ;这种治疗方法的原理是 。 [来
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【单选题】关于心底的描述,正确的是()
A.
朝向左前下
B.
由右心房构成
C.
由左心房及右心房构成
D.
由右心室组成
E.
朝向右前上
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【单选题】Water is as important as vitamins,minerals and proteins for life.
A.
Right
B.
Wrong
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【单选题】I am sorry it’s _________ my power to make a final decision on the project. A. over B. above C. off D. beyond
A.
B.
C.
D.
D
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【单选题】Water is as important as vitamins, minerals and proteins for life.
A.
True
B.
False
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【单选题】All the task ____ ahead of time, they decided to go on holiday for a week. A. had been fulfilled B. were fulfilled C. having been fulfilled D. been fulfilled
A.
选择1
B.
选择2
C.
选择3
D.
选择4
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【简答题】Jimmy has lived in Tokyo all of his life where he owns a house. He came to the UK on 1 May YEAR having sold his house in Tokyo the month before. He decided to buy a flat in London which he used as his...
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【简答题】Having lived in the house for so long, we found our kitchen looked old. We decided it was time to 1 the kitchen, and my husband and I were discussing 2 colors. The children, sitting nearby, suddenly a...
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【多选题】尊重法律权威性的意义有
A.
时建设法治国家的前提条件
B.
对于推进国家治理体系和治理能力现代化、实现国家的长治久安极为重要
C.
实现人民意志、维护人民利益、保障人民权利的基本途径
D.
维护个人合法权益的根本保障
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【判断题】企业经营中的盈亏平衡分析通俗的讲就是何时打平。
A.
正确
B.
错误
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【单选题】I am sorry it’s _______ my power to make a final decision on the project.
A.
over
B.
above
C.
off
D.
beyond
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相关题目：
【单选题】关于心底的描述,正确的是()
A.
朝向左前下
B.
由右心房构成
C.
由左心房及右心房构成
D.
由右心室组成
E.
朝向右前上
查看完整题目与答案
【单选题】Water is as important as vitamins,minerals and proteins for life.
A.
Right
B.
Wrong
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【单选题】I am sorry it’s _________ my power to make a final decision on the project. A. over B. above C. off D. beyond
A.
B.
C.
D.
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【单选题】Water is as important as vitamins, minerals and proteins for life.
A.
True
B.
False
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【单选题】All the task ____ ahead of time, they decided to go on holiday for a week. A. had been fulfilled B. were fulfilled C. having been fulfilled D. been fulfilled
A.
选择1
B.
选择2
C.
选择3
D.
选择4
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【简答题】Jimmy has lived in Tokyo all of his life where he owns a house. He came to the UK on 1 May YEAR having sold his house in Tokyo the month before. He decided to buy a flat in London which he used as his...
查看完整题目与答案
【简答题】Having lived in the house for so long, we found our kitchen looked old. We decided it was time to 1 the kitchen, and my husband and I were discussing 2 colors. The children, sitting nearby, suddenly a...
查看完整题目与答案
【多选题】尊重法律权威性的意义有
A.
时建设法治国家的前提条件
B.
对于推进国家治理体系和治理能力现代化、实现国家的长治久安极为重要
C.
实现人民意志、维护人民利益、保障人民权利的基本途径
D.
维护个人合法权益的根本保障
查看完整题目与答案
【判断题】企业经营中的盈亏平衡分析通俗的讲就是何时打平。
A.
正确
B.
错误
查看完整题目与答案
【单选题】I am sorry it’s _______ my power to make a final decision on the project.
A.
over
B.
above
C.
off
D.
beyond
查看完整题目与答案