(来学网)C02和N2在体内跨细胞膜转运属于
  • A.
    (来学网)单纯扩散
  • B.
    (来学网)易化扩散
  • C.
    (来学网)膜泡转运
  • D.
    (来学网)原发性主动转运
  • E.
    (来学网)继发性主动转运