题干

为从富含纤维素的土壤中分离获得纤维素分解菌的单菌落,某同学设计了甲、乙两种培养基(成分见下表).下列关于培养基甲和乙是否能用于分离和鉴别纤维素分解菌说法正确的是(  )


酵母膏

无机盐

淀粉

纤维素粉

琼脂

CR溶液

培养基甲

+

+

+

+

+

+

培养基乙

+

+

+

+

+

+

注:“+”表示有,“﹣”表示无.

A:培养基甲能,培养基乙不能

B:培养基甲不能,培养基乙能

C:培养基甲和乙都能

D:培养基甲和乙都不能

上一题 下一题 0.0难度 选择题 更新时间:2020-02-17 04:24:30

答案(点此获取答案解析)

D

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