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up·stream

adv or adj :  in a direction along a molecule of DNA or RNA opposite to that in which transcription and translation take place and toward the end having a hydroxyl group attached to the position labeled 5' in the terminal nucleotide <a small coding sequence is located just from each … gene -J. N. Goldman et al>  - compare DOWNSTREAM  .
 
 

 
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Monroe County Hospital (Forsyth, Georgia - Monroe County)