【单选题】正常细胞膜外 Na + 浓度约 为膜内 Na + 浓度 的( )
【单选题】正常细胞膜外Na浓度约为膜内Na浓度的()
【单选题】正常细胞膜外Na 浓度约为膜内Na 浓度的
【简答题】Metabolism is the set of life-sustaining chemical transformations within the cells of organisms. means producing by metabolism. , of or relating to metabolism and , any substance involved in metabolis...
【单选题】正常细胞膜外Na + 浓度约为膜内Na + 浓度的()
【单选题】正常细胞膜外 Na + 浓度约为膜内 Na + 浓度的 ( )倍