The sequence of nitrogenous bases in an RNA and DNA strand is always written in the 5′ ? 3′ direction because _____.

+1 vote

 

  

nucleotides are added to the 5′ end of the nucleic acid

  

DNA and RNA are synthesized in this direction in cells.

  

DNA strands are antiparallel

  

each strand of RNA or DNA has an unlinked 3′ carbon and an unlinked 5′ carbon

 

asked Dec 25, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

DNA and RNA are synthesized in this direction in cells.

 

answered Dec 25, 2012 by Ytwsa ~Expert~ (1,092 points)



...