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【多选题】
DNA聚合酶Ⅰ和Klenow片段共同的功能是( )A.
5'→3'聚合酶活性
B.
3'→5'核酸外切酶活性
C.
5'→3'核酸外切酶活性
D.
去除DNA5'端的磷酸根
E.
去除RNA5'端的磷酸根
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【简答题】完形填空. I grew up in a tiny Baltimore row house in a faraway mountain area. My parents __1__ the necessities of life__2__they couldn't give much more. If I asked my father__3__a pair of jeans, he would ...
【简答题】完形填空。 I grew up in a tiny Baltimore row house in a faraway mountain area. My parents 1 the necessities of life 2 they couldn't give much more. If I asked my father 3 a pair of jeans, he would say, 'If...
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长期医嘱
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长期备用医嘱
【单选题】王 女 士 , 55 岁。子宫肌瘤,次日上午手术,患者睡眠不佳,医嘱“地西泮 5mg, 肌肉注射 sos ”,此医嘱属于
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【简答题】完形填空。 I grew up in a tiny Baltimore row house in a faraway mountain area. My parents 1 the necessities of life 2 they couldn't give much more. If I asked my father 3 a pair of jeans, he would say, 'If...
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