Which type of biological compound is the main component in animal horns,hooves,claws,and feathers if the repeating unit is an amino acid?

Question

Quizplus · Accepted Answer

Animal horns, hooves, claws, and feathers are made of keratin, which is a type of structural protein. Keratin is composed of repeating units of amino acids, making protein the main component in these structures. Carbohydrates, lipids, and nucleic acids are not the main components in these structures.

Which Type of Biological Compound Is the Main Component in Animal