Semipermeable means the cell membrane can pick and choose what goes out of it and into it. At least, that's what I believe it is.
Answer: Amylose
Explanation: Which complex carbohydrate contains only a-1,4-glycosidic linkages? Amylose (Amylose is formed from a-1,4-glycosidic linkages of glucose.)
running water can be used as an energy source to produce hydroelectric power.
Answer: the cells differentiate