[问答题]
1.Outline the effects of placing a liver cell in otzs e5;n q8bf.sxc4:a hypl2 v,tt(qmt5wnr :g +3vbw/fzotonic solution.
2.Outline how the fluidity of membranes allows materials to be taken into cells or to be released from cells.
3.Compare and contrast four types of membrane transport. Include an example of each.