Increased melanin production

  • Thread starter becooke2
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  • #1
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Homework Statement



Cells called melancytes that lie deep in the epidermis produce a pigenment, called melanin, that gives skin color. Exposure to ultraviolet light- from sun or tanning lamp-causes melanocytes to produce more melanin, which they pass along the skin above them, yielding suntan. But, why would sun exposure prompt this increased production? What is the function of a tan, in other words?

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The Attempt at a Solution


Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
437
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i think a suntan acts as a protective measure. the darker the skin the better it will emit infra red radiation.
 
  • #3
199
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True, melanin absorbs UV radiation.
As for the tan, think what occurs when you get a tan.
Remember melanin is a pigment, it changes the color of light it reflects.
 

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