Need to write on PCR(Polymerase chain reaction) questions For this option of the assignment, please answer the following questions: 1. Outline how the technique was discovered / created. 2. Explain how the technique is used as a tool in the laboratory. 3. Describe the mechanism of action of this technique. You can use a figure to help with your description. Be sure to explain every component of the figure, if you choose to use one.