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下列实验有关操作步骤中有错误的是 [ ] A.实验名称:脂肪的鉴定 操作步骤:取材→滴染液染色→吸水纸吸去染液→滴酒精洗浮色→吸水纸吸去酒精→滴蒸馏水→盖盖玻片B.实验名称:观察DNA和RNA在细胞中的分布 操作步骤:取口腔上皮细胞涂抹在载玻片的液滴中→盐酸水解→冲洗涂片→吸干水分→染色→吸去多余染液→盖盖玻片C.实验名称:低温诱导植物染色体数目变化 操作步骤:培养不定根→低温诱导培养(4℃,36h)→取材→卡诺氏液固定→酒精冲洗→解离→漂洗→染色→制片D.实验名称:观察质壁分离 操作步骤:制成装片→在盖玻片一侧滴蔗糖溶液,在另一侧用吸水纸吸引
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