下列有关生物学实验的叙述中正确的是a用3h标记的胸腺嘧啶研究转录和翻�的过程b选用紫色洋�鳞片叶表皮细胞观察到质壁分离现象时观察不到染色体 Template




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tomski下列有关生物学实验的叙述中正确的是a用3h标记的胸腺嘧啶研究转录和翻�的过程b选用紫色洋�鳞片叶表皮细胞观察到质壁分离现象时观察不到染色体 coloring