University of California, Los AngelesCHEM 153AEnzymes Quiz Answer Key

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Enzymes Quiz SID:_________________________________ Lecture:_____ 1. (3 pts) What is the definition of an Oxidoreductase? An Enzyme that catalyzes a transfer of electrons from one molecule to another... . 2. (2 pts) What Enzyme Class does the reaction below belong to?____Lyase______________ 3. For the Enzyme UDP-Glucose Isomerase: a. (3 pts) What do you know about the reaction the enzyme catalyzes? There is an intramolecular rearrangement of UDP-Glucose b. (3 pts) If you were given the structure of UDP-glucose, what would you need to know to write out the reaction? What bonds are rearranged 4. (3 pts) Define Proximity and Orientation: Substrate binding in the active site holds it right next to the groups it will react with, and in the proper alignment for catalysis 5. (3 pts) Define Acid-Base Catalysis: An amino acid from the enzyme donates or accepts a proton to another side chain or the substrate [Show More]

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