Like human hair a bird's feathers are made of this protein

Below you can find the Like human hair a bird's feathers are made of this protein Jeopardy Words Answer. The answer to Like human hair a bird's feathers are made of this protein has 7 letters. This clue belongs to the Biology category and is part of Jeopardy Word Level 623. If you scroll near the bottom you will find other clues and answers part of level 623