Lec 14 MIT 7 014 Introductory Biology Spring 2005

Description: to be in the DNA. And so before people knew how this worked, it's a little mysterious. And maybe one way you might think about it, well, if I have a gene that encodes something for lactose metabolism, and I tell you there's a sequence upstream of this and somehow this gene is regulated depending on whether I put lactose in the medium or not, how is it going to work? Does it have to fit into little holes in between the letters of the genetic code sort of the way Gamow originally thought ...