Chem 481 F10 SG 3 10-28-10-1

Chem 481 F10 SG 3 10-28-10-1 - Chem481Fall2006...

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Chem 481  Fall 2006  Study Guide 3 for Exam 3 Glycolysis:  Sections 14.1, 14.3 Know the structures, enzyme names and necessary cofactors for all of the reactions of glycolysis. Note: the structures of the starting materials and products will help you know the types of reactions that occurs and the enzyme is usually named for the type of reaction as well as the for the substrate name; just learn the exceptions and know that everything else follows the rules. Look for parallels and differences between the various reactions. i.e. phosphohexose isomerase and triose phosphate isomerase. Know the mechanisms for the phosphohexose (phosphoglucose) isomerase, aldolase, glyceraldehyde-3- phosphate dehydrogenase reactions. Understand how and why the phosphoester bond of phosphoenol pyruvate is a high energy bond and is able to facilitate the transfer of the phosphate group to ADP in the pyruvate kinase reaction. Fermentation (both alcoholic and homolactic): Know the end products and intermediates and when and why these pathways operate. Know what happens in both and the pyruvate decarboxylase, alcohol dehydrogenase, and lactate dehydrogenase reactions as well as the necessary cofactors. You do not have to know the step-by-step total mechanism, but you do need what the cofactors do and why they are required for the reaction. Pyruvate Dehydrogenase: 
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Chem 481 F10 SG 3 10-28-10-1 - Chem481Fall2006...

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