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Gaokao Biology Practice Question

在前人进行的下列研究中, 采用的核心技术相同（或相似）的一组 是 $(\quad)$ (1)证明光合作用所释放的氧气来自于水 (2)用紫外线等处理青霉菌选育高产青霉素菌株 (3)用 $\mathrm{T}_{2}$ 噬菌体浸染大肠杆菌证明 DNA 是遗传物质 (4)用甲基绿和吡罗红对细胞染色, 观察核酸的分布。

  1. A.(1)(2)
  2. B.(1)(3)
  3. C.(2)(4)
  4. D.(3)(4)

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