Biology, 08.12.2019 08:31, keldrickking

When you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets heavily tanned. what could be the reason?

a. the genes for melanin pigmentation remain turned on and prepare more melaninthan 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 itexposed 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.

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When you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets he...