Compared to all other forms of energy, wind power is most similar to tidal wave power because the costs are about the same they generate the same amount of pollution they are high tech they work on the premise of a fluid interacting with a turbine

telophase and anaphase

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.