Question

Which is the toughest and most durable of the three types of cytoskeletal filaments?

A. Intermediate filaments
B. Microtubules
C. Actin filaments

Answer 1

Intermediate filaments are the toughest and most durable of the three types of cytoskeletal filaments. Keratin, a fibrous protein found in intermediate filaments, strengthens hair, nails, and skin.

Step-by-step explanation:

The toughest and most durable of the three types of cytoskeletal filaments is intermediate filaments. For example, keratin, a fibrous protein found in intermediate filaments, strengthens hair, nails, and skin.