Question

question 8 of 25
is a fibrous protein that is also the principal component of the skin, hair, and nails.
1 point
select the correct response:
keratin
sebum
subcutis tissue
melanin

Explanation:

Keratin is a fibrous protein known to be the main component of skin, hair, and nails. Sebum is an oily substance, subcutis tissue is a layer of fat, and melanin is a pigment. So the correct answer is Keratin.

Answer:

Keratin