Nucleotide coding for organismal traits/processes

Brandon chefaudet at yahoo.com
Tue Oct 19 00:49:50 EST 2004

Sorry if this question has been asked in the past, I am studying Bio in 
college and had a question I cannot find an answer for.

As I understand it, DNA is 'unzipped' by protiens to make RNA which is then 
used to execute the production of some other needed protien etc.  I know 
that the nucleotides occur in some given order as determined by the organism 
which is not the same order for any other organism (DNA fingerprint).  I 
also know that the nucleotide sequence on one strand has a complementary 
sequence on the other starnd of the 2x helix.  Since that complementary 
sequence can also occur on the first strand, which starnd of the 2x helix is 
used to access the info for the process?  Given the possibility, I guess, 
that either strand could be used, the nucleotide sequences don't necessarily 
mirror each other, so how is it that the 'correct' strand of the helix is 

I hope this question is clear enough to be understood, any help would be 


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