a:  siRNA ~
b:  a gear
What:  
"The siRNA is like a gear: On its own, not much there. But it's not impossible to imagine that it could become part of a larger system."
Useful?
Writer:  Dr. Andrew Ellington
LCC: 
Where:
Date:   Oct 25 2015  10:30 AM
# 9134 Critique Analogy
