第20题: [单项选择]在DNA复制中起主要作用的酶是()。 A. 反转录酶 B. DNA聚合酶Ⅰ C. 拓扑酶 D. DNA聚合酶Ⅱ E. DNA聚合酶Ⅲ 参考答案:E 答案解析:原核生物DNA聚合酶以dNTP为底物合成DNA片段。包括DNA聚合酶Ⅰ、Ⅱ、Ⅲ。DNA聚合酶Ⅰ是多功能酶,主要用于填充DNA片段间的间隙和在复制中起校读作用,也参与切除引物或突变的片段,参与复制或DN
第36题: [单项选择]Which is one of the biggest contributions that Andrew Grove has made A. Put the Intel Inside in a computer. B. Making the public aware of that Intel Inside campaign is inside a computer. C. He makes the Intel Inside in the campaign. 参考答案:B