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Name | Function | Location |
Keratin | Structural component of hair and nails. | External cap of the epidermis of the vertebrates and of other organs derived from the ectoderm, in the hair, nails,pens, horns and hoofs. |
Insulin | Regulating energy and glucose metabolism in the body. | Pancreas. |
Hemoglobin | Hemoglobin in the blood is what transports oxygen from the lungs or gills to therest of the body. | In the blood. |
Myosin | Generate force in skeletal muscle. | In the cytoplasm. |
Elastin | Elastin helps skin to return to its original position when it is poked or pinched.| In all the tissues. |
Melanin | Is the primary determinant of skin color. | The melanin in the skin is produced by melanocytes, which are found in the basal layer of the epidermis. |
Albumin |Its main function is to regulate the colloidal osmotic pressure of blood. | In the blood. |
Antibodies | Neutralization of toxins, immobilization of microorganisms, neutralization of viral activity.| Antibodies are found in blood serum.  |
Actin | To form microfilaments, the most dynamic of the three subclasses of the cytoskeleton, To allow cell motility. | In cytoskeleton. |
Pepsin | Usedin the preparation of F(ab')2 fragments from antibodies. In some assays, it is preferable to use only the antigen-binding (Fab) portion of the antibody. | The pepsin is located in the stomach. |Oxytocin | Acts primarily as a neurotransmitter in the brain. | At brain. |
Somatotropin | Helps kids to grow up. | In bones. |
Collagen | Is mostly found in fibrous tissues such as tendon, ligamentand skin, and is also abundant in cornea, cartilage, bone, blood vessels, the gut, and intervertebral disc. | Is mostly found in fibrous tissues such as tendon, ligament and skin, and is also abundantin cornea, cartilage, bone, blood vessels, the gut, and intervertebral disc. |
Cytochromes | Cxqarry out electron transport. | They are found in the mitochondrialinner membrane and endoplasmic...
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