Asked by greatnalin | 17th Jun, 2009, 08:13: PM

Expert Answer:

Melanin is a class of compounds found in the plant, animal and protista kingdoms, where it serves predominantly as a pigment.  

In humans, this pigment gives color to the skin, hair, and parts of the eye, and provides protection against the damaging effects of ultraviolet radiation.

Answered by  | 18th Jun, 2009, 12:09: PM

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