The most beautiful thing we can experience is the mysterious. It is the source of all true art and all science. He to whom this emotion is a stranger, who can no longer pause to wonder and stand rapt in awe, is as good as dead: his eyes are closed. – Albert Einstein




Wednesday, February 9, 2011

Biology - Gene Expression

This PowerPoint is about how genes are turned on and off in prokaryotes.



This Powerpoint compares inducible and repressible operons.



The lac operon



The trp operon

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