We saw in Chapter 15 that a voltage gradient, also called an electric potential, exists across the plasma membrane of all cells. The potential across the plasma membrane of large cells can be measured with a microelectrode inserted inside the cell and a reference electrode placed in the extracellular fluid.
A production company is responsible for the development and filming of a specific production or media broadcast. In entertainment, the production process begins with the development of a specific project.
growth company. A company that is considered a leader in the industry based on a stronger level of growth than other companies in the same field. Significant levels of cash flow and earnings compared to other companies are used to determine if a company falls into this category.