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下列关于植物细胞质壁分离实验的叙述,错误的是

Gaokao · Biology · previous-year question

  1. A.与白色花瓣相比, 采用红色花瓣有利于实验现象的观察
  2. B.用黑藻叶片进行实验时, 叶绿体的存在会干扰实验现象的观察
  3. C.用紫色洋葱鳞片叶外表皮不同部位观察到的质壁分离程度可能不同
  4. D.紫色洋葱鳞片叶外表皮细胞的液泡中有色素, 有利于实验现象的观察

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