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高中生物实验总结实验一观察DNA和RNA在细胞中的分布实验原理:DNA绿色(甲基绿试剂),RNA红色(吡罗红试剂)分布:真核生物DNA主要分布在细胞核中,线粒体
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二年级下册语文寒假预习各单元知识点总结第一单元一、字词积累万里无云引人注目◆反义词1.字脱→穿害羞→大方◆难读的字打开→关闭快活→忧愁堤(dī)醉(zuì)妆(