Cell is a complicated organism that includes many organelles,cell surface receptors and ion channels.Especially there are a lot of complicated substance and structure in eukaryote.

• 细胞是一个复杂的有机体,包涵了众多细胞器、细胞表面的受体、各种离子通道等,在真核生物中具有极其复杂的细胞核内的物质与结构。