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Enzyme figures

1. Activation Energy for a reaction with and without enzyme
   

   The above image is cropped from http://whfreeman.com/life/update/chap06.html.

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2. Enzyme binding to active site with induced fit
   

   The above image is from the Bio181 site at the University of Arizona.

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3. Enzyme model with and without substrate
   

   The above image is from the U of A's Biology Project Energy and Enzymes Problem Set . The green carbohydrate fits into the active site of the enzyme.

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4. Enzyme dependence on pH
   

   The above image is cropped from http://whfreeman.com/life/update/chap06.html.

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5. Allosteric interactions in an enzyme
   

   The above image is cropped from http://whfreeman.com/life/update/chap06.html.

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6. Feedback inhibition to block first enzyme (allosteric) in metabolic pathway
   

   The above image is cropped from http://whfreeman.com/life/update/chap06.html.