Which One of the Following Is TRUE Regarding Skin

Multiple Choice

Which one of the following is TRUE regarding skin?

A) Beneath the dermis is the basement membrane, which separates the dermis from the hypodermis.
B) Keratin is a protein in the cells of the epidermis that provides strength and waterproofing.
C) Melanocytes and keratinocytes are two skin cell types that are prevalent in the dermis.
D) The sebaceous glands and the sweat glands are two types of endocrine glands located in the dermis.
E) Melanocytes produce calcium, which strengthens the skin.