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Posted by on Monday, May 5, 2008 at 12:37pm.

Lying by the pool on a sunny day will produce an increase in the protein a Melanin b keratin c sebum d collagen?

  • Anatomy - , Monday, May 5, 2008 at 4:11pm

    In humans, melanin is the primary determinant of human skin color. So if you are tanned, maybe that's why.

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