A major function of keratin is to
A) absorb UV radiation.
B) insulate the body.
C) nourish sensory receptors.
D) synthesize fats and waxes.
E) create a diffusion barrier.

Question

Quizplus · Accepted Answer

Keratin is a protein that helps form a protective barrier on the skin, preventing the entry of pathogens and minimizing water loss, thus creating a diffusion barrier.

A Major Function of Keratin Is to