A16荐读 - 休憩

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It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.

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The battle

(五)对处罚决定不服,申请行政复议、提起行政诉讼的途径和期限;