EVERYDAY SCIENCE

Detailed explanation-1: -Keratinocytes (ker-uh-TIH-no-sites) make keratin, a type of protein that’s a basic component of hair, skin, and nails. Keratin in the skin’s outer layer helps create a protective barrier.

Detailed explanation-2: -Keratin is in your hair, nails and your skin’s outer layer, and it’s also in your glands and organs.

Detailed explanation-3: -While both feathers and hair are made of a protein called keratin, they consist of different forms of keratin. Hair is composed of alpha-keratins, but feathers are made of a harder form called beta-keratin. This makes feathers remarkably durable.

Detailed explanation-4: -Snake scales contain specialized hard keratins (beta-keratins) and alpha-or cyto-keratins in their epidermis.

Detailed explanation-5: -keratin, fibrous structural protein of hair, nails, horn, hoofs, wool, feathers, and of the epithelial cells in the outermost layers of the skin.