某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a．利用平板划线法对细菌进行计数b．以石油为唯一碳源的 Sketch Coloring Page

某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a．利用平板划线法对细菌进行计数b．以石油为唯一碳源的 Template

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tomski某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a．利用平板划线法对细菌进行计数b．以石油为唯一碳源的 coloring

有些细菌可分解原油从而消除有原油泄露造成的土壤污染．某同学欲从污染的土壤中采用富集培养的方法筛选出高效降解原油的细菌经过的一般步骤是采集菌 sketch template

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