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Lac Operon

I’m typically not a fan of McGraw-Hill’s animations because they are rather dry and un-engaging, however, this one does a good job of describing conditions under which the lac operon will be either ‘on’ or ‘off’ and¬†illustrating how positive and negative regulatory elements work together so that the operon is on when needed, but conserves energy by remaining off when it is not needed.

http://highered.mcgraw-hill.com/sites/0072556781/student_view0/chapter12/animation_quiz_4.html

more on this later….

 
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Posted by on March 10, 2014 in Uncategorized

 

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