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为什么扩大培养要用液体培养基

更新时间: 2020-10-09 00:00:00     

扩大培养要用液体培养基的原因:

通常固体培养基含有琼脂,阻碍微生物运动。在静止的条件下,培养过程中在菌体的周围,形成透过养分的壁障,养分的摄入受到阻碍而使微生物生长缓慢。液体培养基它具有进行通气培养、振荡培养的优点,由于在通气或在振荡的条件下,可消除这种阻碍以及增加供氧量,所以有利于细胞生长,提高生微生物数量。

关键词: 为什么 扩大 培养 液体 培养基

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