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Nitrogen Base Pairing


















Symbols 



 
 
 

 
Information:
  • a purine joins with a pyrimidine
  • two purines and two pyrimidines produce four possible combinations
  • At [red-yellow]
  • tA [yellow-red]
  • Gc [green -blue]
  • cG [blue-green]
  • the joining results from hydrogen bonds between each nitrogen base
  • At, tA have two hydrogen bonds joining them together
  • Gc, cG have three hydrogen bonds joining them together
Practice Quiz