What is the function of keratin,an important intermediate filament?
A)imparts impermeability to the skin and the ability to withstand mechanical stress
B)reinforces moveable joints
C)enables the heart to contract as a unit
D)provides nutrients to neural cells of the brain and spinal cord

Question

Quizplus · Accepted Answer

Keratin is a type of intermediate filament protein that primarily provides structural support to epithelial cells in the form of hair, nails, and skin. Its main function is to impart impermeability to skin and protect it from physical damage and mechanical stress.

What Is the Function of Keratin,an Important Intermediate Filament