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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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barry barry
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10 years ago
The "tanning" effect (darkening of the skin) that occurs when a person is exposed to the sun is due to:
A) melanin
B) keratin
C) oil
D) Langerhans cells
E) sweat
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cheap.tb.solncheap.tb.soln
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10 years ago
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barry Author
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10 years ago
Thanks.
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