Answer
The study of Chemistry involving Biological Organism is called Bio-Chemistry.
Before 20th century the primary cure for diabetes was to control sugar intake. However, after successful attempt from doctors where they injected insulin from animal source into diabetic patient helped recover of patient , led to harvestinng of insulin from pancreases from slaughtered pigs and diabetes became a manageable diseases.
Later after studies, scientists formulated chemical structure of human insulin and thus Insulin could be synthesized in human labratory.
