Question

How do the skin proteins—keratin, melanin, elastin, and collagen—each contribute to our physical identity? how about the dermal papillae?

Answer 1

Skin is the largest organ of our body and it contains a lot of immune barriers that protects the pathogens form entering the skin. Majorly the nature of skin also helps in the external appearance of a person and also denotes age.

The skin protein such as keratin, melanin, elastin, and collagen are extracellular matrix proteins that plays a major role in maintaining the elasticity and texture of the skin. The dermal papillae is the region that is present in the outer most layer of the skin that helps in the formation of hair follicles.

Answer 2

Keratin is responsible for skin color. The more the melanin in the skin, the darker the skin color of the person. Collagen and keratin makes up nails and hairs. Elastin is a connective tissue that connects the epidermis and the dermis. The dermal papillae nourishes the root hairs.