Find out and make a list of proteins used as therapeutic agents. Find other applications of proteins (e.g., cosmetics, etc.)

Proteins used as therapeutic agents are as follows:

• Thrombin and fibrinogen – They help in blood clotting.
• Antigen (antibody) – It helps in blood transfusion.
• Insulin – It helps in maintaining blood glucose level in the body.
• Renin – It helps in osmoregulation.

Proteins are also commonly used in the manufacture of cosmetics, toxins, and as biological buffers.