问题 问答题

Describe the ways and characteristics of substance transport through the cell membrane. (10 Points)

答案

参考答案:

(1) Simple Diffusion. (1`)

(2) Passive Transport, no energy consumption: (1`) 

Facilitated diffusion via Carrier, saturation/special choice/ competitive   inhibition, no  energy consumption. (2`)            Facilitated diffusion via Channel, special choice, no energy consumption. (2`)

(3) Active Transport, energy consumption: (1`)           

Primary Active Transport, directly show energy consumption. (1`)           

Secondary Active Transport, indirectly show energy consumption. (1`)

(4) Endocytosis and Exocytosis, large molecule transport with energy consumption. (1`)            

单项选择题
单项选择题