go to http://www.wikipedia and search for DNA and RNA….

here are the some links

http://en.wikipedia.org/wiki/DNA

http://en.wikipedia.org/wiki/RNA

let me know if you need futher clarification… because there are several differences

Here are some links too:

Similarities and Differences between DNA and RNA:

http://www.usask.ca/education/coursewor … s/1.23.htm

Chemical Differences between DNA and RNA:

http://www.biochem.uwo.ca/meds/medna/NAchem.html

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