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DNA结构、复制与证明实验 · 历年高考生物真题与解析

本页汇总 高考真题检索 的「DNA结构、复制与证明实验」高考生物真题共 1 道,覆盖 2026 年,最常出题型为 单选题;含完整答案与解析。

1questions
Past questions included
2026
Years covered
区分题为主
Overall difficulty
Single-choice
Most common question type
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常用解题方法概念辨析
常见易错点概念混淆
Core competencies理解

Past Question List

2026 Henan Gaokao Single choice Differentiating Question 6 2026_河南选择性考试

6. 某细菌在高温环境下依然能够进行DNA的复制。下列叙述正确的是()

A. 该菌体内DNA复制时,不需要解旋酶的参与
B. 该菌DNA复制时,母链从 5'端到3'端被阅读
C. 该菌DNA聚合酶在高温下仍能保持活性,催化子链的延伸
D. 该菌DNA复制系统耐高温特性与氢键有关,与二硫键无关

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