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.
The person who manages the production process is known as the producer. It involves the following sub processes: creating a concept, which usually entails storyboarding; writing the script and dialogue; finding the proper location(s) for the video shoots; hiring the crew for the video shoots, and these include cameramen, lighting experts, makeup artists, set contruction workers