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Normal Topic What is DNA and how does it work??? (Read 708 times)
 
Soyoungcho
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What is DNA and how does it work???
Sep 22nd, 2015 at 1:39am
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This shows how dna is create in our body and how it works! It could be one way to get interest in science Smiley
« Last Edit: Sep 22nd, 2015 at 2:24am by Laga Mahesa » 
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Lee Ha Eun
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Re: What is DNA and how does it work???
Reply #1 - Sep 29th, 2015 at 1:13am
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DNA is one of the interesting topics Cheesy
  
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Laga Mahesa
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Re: What is DNA and how does it work???
Reply #2 - Sep 29th, 2015 at 2:33am
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Here's a related article written in 2011 by a middle school student in California:

How does radiation damage DNA?

When you get a sunburn and your skin starts to peel, it's your skin cells' DNA being damaged by the sun and them killing themselves so they don't turn into cancer!

Quote:
UV radiation in sunlight can damage your DNA by messing up the base pairing. UV light will often make two T's that are next to each other stick together making something called a dimer. Our cells have ways to fix this problem but if there if too many TT pairs, your cells can't deal very well with it.

Sunlight can sometimes cause two T's to stick together.

Some cells with lots of thymine dimers will die. You've seen this happen if your skin ever peeled after a sunburn. Cells that can't fix themselves and don't die could become cancerous.


  

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