(来学网)细胞培养中采用薄膜滤器过滤除菌,最常用的滤膜孔径是
  • A.
    (来学网)0.6μm
  • B.
    (来学网)0.45μm
  • C.
    (来学网)0.22μm
  • D.
    (来学网)0.7μm
  • E.
    (来学网)0.1μm