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 :

1. Thrombin and fibrinogen – They help in blood clotting.

2. Antigen (antibody) – It helps in blood transfusion.

3. Insulin – It helps in maintaining blood glucose level in the body.

4. Renin – It helps in osmoregulation.

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