(来学网)检测细菌运动性的半固体培养基常用的琼脂浓度是
  • A.
    (来学网)0.1%
  • B.
    (来学网)0.5%
  • C.
    (来学网)1.0%
  • D.
    (来学网)1.5%
  • E.
    (来学网)2%