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【单选题】
下列关于增强子的说法,错误的是?A.
增强子能够通过调节转录起始复合物的组装提高基因的转录效率
B.
增强子的转录激活作用受到序列颠倒、移位的影响
C.
增强子有特定的核心序列
D.
增强子属于远端调控元件
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反馈参考答案：
举一反三
【单选题】The doctors are at a loss because so far no medicine has been found to ( ) the spread of the disease.
A.
maintain
B.
inhibit
C.
endeavor
D.
pursue
【单选题】The doctors are at a loss because so far no medicine has been found to ( ) the spread of the disease.
A.
maintain
B.
inibit
C.
endeavor
D.
transcend
【简答题】预防接种常选用___________部位注射。
【单选题】The doctors are at a loss because so far no medicine has been found to ( ) the spread of the disease.
A.
commend
B.
inhibit
C.
transcend
【单选题】The doctors are at a loss because so far no medicine has been found to ( ) the spread of the disease.
A.
nominate
B.
transcend
C.
inhibit
【简答题】The doctors are at a loss because so far no medicine has been found to the spread of the disease.
【单选题】“图层”工具栏中按钮“将对象的图层置为当前”的作用是?( )
A.
将所选对象移至当前图层
B.
将所选对象移出当前图层
C.
将选中对象所在的图层置为当前层
D.
增加图层
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