Answer:
The correct answer is insulin.
Step-by-step explanation:
Insulin refers to a hormone, which gets secreted or discharged from the pancreas. When the levels of glucose in the bloodstream elevates, the insulin makes the liver to transform glucose into glycogen and makes fats tissues and cells of the muscles to consume glucose. This is how the genetically engineered insulin has an application in controlling the level of glucose in the blood in the individuals suffering from diabetes.