下列高中生物的实验中必须使用无菌水的是a将大肠杆菌培养液进行系列梯度稀释b破碎鸡血细胞获得含有dna的滤液c配制培养大肠杆菌的固体培养基 Template




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tomski下列高中生物的实验中必须使用无菌水的是a将大肠杆菌培养液进行系列梯度稀释b破碎鸡血细胞获得含有dna的滤液c配制培养大肠杆菌的固体培养基 coloring