(来学网)半固体培养基中琼脂浓度为( )
  • A.
    (来学网)6%-10%
  • B.
    (来学网)11%-20%
  • C.
    (来学网)0.3%-0.5%
  • D.
    (来学网)0.01%-0.1%
  • E.
    (来学网)1%-5%
正确答案:
C