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冷牛奶和面不发酵怎么办
更新时间: 2020-11-01 00:00:00  

用冷牛奶和面不发酵是因为,面粉里的酵母失效了,可以再加一些面粉,然后多加点酵母,加入后再将其充分搅拌均匀,然后放在温度较高的地方,这样就能使面团再次发酵了。

酵母(saccharomyce)是基因克隆实验中常用的真核生物受体细胞,培养酵母菌和培养大肠杆菌一样方便。酵母克隆载体的种类也很多。酵母菌也有质粒存在,这种2μm长的质粒称为2μm质粒,约6300bp。

关键词: 牛奶 和面 发酵 怎么办

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