Homework Help: Biology

Posted by mysterychicken on Thursday, February 4, 2010 at 8:21pm.

17. When errors in nucleotide sequencing occur,
a. DNA polymerase replaces the incorrect nucleotide with the correct nucleotide
b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one
c. purines replace pyrimidines in the DNA molecule
d. DNA polymerase proofreads for errors while another enzyme corrects it

[The link from yesterday didn't really help me find my answer...I think it is A]

Thanks
-MC

Biology - SraJMcGin, Thursday, February 4, 2010 at 8:39pm
Sorry, but I have no idea what you saw yesterday. Try this:

http://www.google.com/search?q=when+eerrors+in+nucleotide+sequencing+occur%2C+what+happens+to+DNA&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Sra

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