若从植物细胞中提取dna�现实验效果不好如看不到丝状沉淀物用二苯胺鉴定时不显示颜色反应等其可能的原因是 �植物细胞中dna含量低 Template




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tomski若从植物细胞中提取dna�现实验效果不好如看不到丝状沉淀物用二苯胺鉴定时不显示颜色反应等其可能的原因是 �植物细胞中dna含量低 coloring