Multiple choice

Among the following proteins which one is the key structural component of hair and nails?

  1. Actin

  2. Coronin

  3. Dystrophin

  4. Keratin

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Keratin refers to a family of fibrous structural proteins. Keratin is the key structural material making up the outer layer of human skin. It is also the key structural component of hair and nails.