A)decreases in concentration within cells during exposure to the sun.
B)is usually some shade of brown or black.
C)protects DNA from the damaging effects of UV radiation.
D)is released through melanosomes.
E)is produced by cells called melanocytes.

A)melanin.
B)keratin.
C)carotene.
D)perspiration.
E)hemoglobin.

A)Dendritic cells
B)Basal cells
C)Merkel cells
D)Squamous cells
E)Melanocytes