Some more whiteboard humor that some students left in the hall at work.
DNA is the material on which our gene are encoded, in the nuclei of our cells. It is a double helix, as shown by Watson and Crick based on work by Rosalind Franklin.
It is then transcribed into a single strand of RNA, which is then transcribed into protein. So while DNA strands have a partner, RNA is forever alone.
Jedi by Knight 
Ha!
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