Which of these structures or substances in the skin helps prevent UV radiation from damaging deep structures of the skin?

A) Sebaceous glands
B) Melanin
C) Keratinocytes
D) Keratin
E) Collagen fibers

UV Radiation

Ultraviolet radiation, a type of electromagnetic radiation that comes from the sun and artificial sources, known for its ability to damage skin cells and cause sunburn.

Melanin

A natural pigment found in the skin, hair, and eyes that determines color and provides protection against ultraviolet radiation.

Keratinocytes

The predominant cell type in the epidermis, the outermost layer of the skin, responsible for producing keratin, a protein that gives skin its strength and flexibility.