Ex; Hemoglobin in red blood cells
2. Important in blood clotting.
Ex; Fibrinogen
3. Protect the body from foreign particles
Ex; Anti bodies are defensive proteins
4. Important in single transmission
Ex; Insulin
5. Proteins act as a storage food
Ex; Albumin in eggs
6. They are also structural bonds
Ex; Carotene [in hair and finger nails,e.t.c]
7. Proteins act as a respiratory substrate
8. Some proteins are hormones
Ex; Pituitary hormones
9. Important in mussel contraction
Ex; Actin