Keratin is a protein that forms the outer layer of the skin, as well as hair and nails. It is made from amino acids by the animal's body cells.
keratin
keratin
they are modifications of the epidermis layer, which is avascular, pretty much meaning yes it is dead
Fingernails and hair are dead skin cells that have undergone Keratinization. Keratin that has solidified essentially. Keratin is made up of a family of proteins.
It was common belief that rhinoceros horns were made of compressed hair, but that has been dispelled. Rhino horn is mostly keratin, and the core of it is made from dense mineral deposits of calcium and melanin.
They are made out of keratin. Keratin is made out of dead cells packed real tight.
keratin
You can't, your hair is made of keratin.
dead skin cellsDead cells. Hair is also made out of dead cellsThe same material your hair is made out ofThey are made out of keratin. Keratin is made out of dead cells packed real tight
keratin
yes your hair is made of keratin unlike your nails and other body parts
Epidermis
Keratin
Scales are made of Keratin.
Humans inherited keratin from pre-human ape species. Keratin appears widely in vertebrates. Hair and fingernails are made of keratin.
They are all made of keratin.
Rhinos do not have tusks, but their horns are made from compacted hair and keratin (the same material as fingernails).