Asked by Jessica Tessier on Jun 05, 2024
Verified
The protein that helps make vertebrate skin abrasion-resistant and waterproof is ____.
A) collagen
B) elastin
C) hemoglobin
D) keratin
E) melanin
Abrasion-Resistant
Refers to materials or surfaces that are designed to withstand wear, scraping, or rubbing that may cause erosion.
Keratin
A type of protein found in skin, hair, and nails, making them strong and resistant to damage.
- Gain an understanding of the integumentary system's responsibilities, particularly the anatomy and purposes of skin.
Verified Answer
ZK
Zybrea KnightJun 06, 2024
Final Answer :
D
Explanation :
Keratin is the protein that makes vertebrate skin abrasion-resistant and waterproof. It is found in the outermost layer of skin, hair, nails, hooves, feathers, and horns. Collagen provides structural support to tissues, elastin provides elasticity, hemoglobin carries oxygen in red blood cells, and melanin provides pigment to skin, hair, and eyes.
Learning Objectives
- Gain an understanding of the integumentary system's responsibilities, particularly the anatomy and purposes of skin.