Question and answer
When you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets heavily tanned. What could be the reason? Select one of the options below as your answer: A. The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time. B. The genes for melanin pigmentation remain turned off and synthesize more melanin than usual to protect the skin from photo-damage when it exposed to sunlight for a long time. C. The genes for melanin pigmentation are
switched off to stop the synthesis of melanin to protect the skin from photo-damage when it is exposed to sunlight for a long time.
s
The reason for getting heavily tanned when exposed to sunlight for a long time is: the genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage.
Expert answered|jessrebueno|Points 0|
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Asked 11/6/2013 7:53:36 AM
Updated 7/19/2014 11:12:10 AM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [7/19/2014 11:12:03 AM], Confirmed by Janet17 [7/19/2014 11:12:10 AM]
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