知识贝壳
知识贝壳
所属栏目：英汉双解生物化学
The transport of mole-cules or ions across a cell membrane against aconcentration gradient,with the expenditureof energy: it is probably an attribute of allcells. Anything that interferes with theprovision of energy will interfere with ac-tive transport. ......（本文共 531 字 ） [阅读本文] >>