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某校生物�技小组在探究“不同环境中的细菌和真菌 活动中设计了如下实验分别将等量的牛奶煮沸倒入两个经过灭菌处理的大小相同的锥形瓶a和b中 Template






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tomski某校生物�技小组在探究“不同环境中的细菌和真菌 活动中设计了如下实验分别将等量的牛奶煮沸倒入两个经过灭菌处理的大小相同的锥形瓶a和b中 coloring
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某生物兴趣小组用新配制的体积分数3%的过氧化氢溶液做探究实验比较过氧化氢在不同条件下分解的快慢了解过氧化氢酶的作用和意义．实验设计及相关 sketch template
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11．2010·江苏百校样本分析某研究小组的同学在探究酵母菌的细胞生理活动时收集了酵母菌生长增殖的资料参考如下图所示的实验装置进行了 sketch template
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题目市某校生物兴趣小组的同学做探究影响种子萌的环境条件实验时选取四个干净的锥形瓶编号为甲乙丙丁分别放入20粒完整有活力的 sketch template
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