Viewed: 12 - Published at: 9 years ago

Consider this: the human genome codes for about 1,500 different TFs, contains 4,000,000 TF-binding sites, and the average cell uses about 200,000 such sites to generate its distinctive gene-expression profile.5 This is boggling."

( Robert M. Sapolsky )
[ Behave: The Biology of Humans ]
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