The plasma membrane is composed of a layer of phospholipids. The ends of the phospholipids face the extracellular and intracellular sides. The ends of the phospholipids face each other and form the core of the membrane. The inner part of the membrane is . The polar regions of the phospholipids are . The proteins and phospholipids move laterally through the membrane.

Apower company wants to build a power plant on the severn river in france. read the following details about the plant and then answer the question that follows: the plant will -provide 10% of the country's energy needs - has a tide amplitude of 11 meters - will be built across a narrow inlet (15 kilometers) -could reduce coal emissions in the area by 3 percent by replacing fossil fuel power - will alter the feeding grounds of local birds. it is unknown how these birds would adapt. fish in the inlet are able to pass through the turbines. occasionally, however, they can get trapped and die do you think this tidal power plant should be built? why or why not?