Question

which of the following is a structural protein found in hair and nails? collagen albumin myosin keratin

Explanation:

Keratin is a fibrous structural protein that makes up hair, nails, and the outer layer of skin. Collagen is a major component of connective - tissues like tendons and ligaments. Albumin is a blood - plasma protein. Myosin is a motor protein involved in muscle contraction.

Answer:

Keratin