Asked by Brittany Lavender on Apr 27, 2024
Verified
What is keratin, and from what is it made?
A) Animal hair, made from protein
B) Vegetable fiber, made from protein
C) Animal hair, made from polysaccharides
D) Vegetable fiber, made from polysaccharides
Keratin
A type of structural protein found in hair, nails, and the outer layer of skin, providing toughness and water-resistance.
Animal Hair
The filamentous biomaterial that grows from the skin of animals, primarily used for protection, sensory purposes, and heat regulation.
- Comprehend the categorization and roles of macromolecules, including carbohydrates, proteins, and nucleic acids.
Verified Answer
DJ
Dashley JosephMay 02, 2024
Final Answer :
A
Explanation :
Keratin is a type of protein that makes up animal hair, nails, and the outer layer of skin.
Learning Objectives
- Comprehend the categorization and roles of macromolecules, including carbohydrates, proteins, and nucleic acids.