The skin is an organ that consists of a number of cell types, including keratinocytes and
melanocytes, Keratinocytes are found in the epidermis and produce the protein keratin, which
strengthens cells at the skin’s surface. Melanocytes produce melanin, which gives the skin its
pigmentation and can protect against UV radiation.
Which claim is best supported by evidence provided in the passage?
The various cell types found in the skin have different roles that contribute to the overall
functioning of the skin as an organ.
Keratinocytes and melanocytes produce various products but act interchangeably within the
Both keratinocytes and melanocytes have the ability to protect the skin against UV radiation
through the production of melanin.