Bioassays refer to the use of living organisms or cells to determine the potency or concentration of a substance or compound. It is a specialized skill that involves the design, development, and execution of tests that can assess the therapeutic, toxic, or pharmacological properties of a drug or other substances. Bioassays are critical in drug development, environmental monitoring, and quality control in industries, including pharmaceuticals, food, and agriculture. Professionals or experts in bioassays possess in-depth knowledge of various organisms, cells, and analytical techniques and are responsible for conducting experiments, analyzing results, and interpreting data.