311C F09 Worksheet_8+A - NAME _ Discussion Worksheet #8...

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NAME ___________________________ Bio 311C Discussion Worksheet #8 Metabolism 1. What distinguishes reversible inhibition from irreversible inhibition? Attachment of the inhibitor to the enzyme. Covalent bonding: usually irreversible. Weak bonding: reversible 2. What distinguishes competitive inhibition from noncompetitive inhibition? Where the inhibitor binds to the enzyme. Active site: competitive Elsewhere: noncompetitive (regulatory site) 3. Compare kinetic energy and potential energy. Kinetic: the energy of motion Potential: the energy stored by matter as a result of its location or arrangement 4. What is free energy? The portion of a system’s energy that is available to perform work. 5. How does knowing the G of a reaction allow us to predict if it is spontaneous or not? - G = spontaneous + G = nonspontaneous 6. Describe the differences between an endergonic reaction and an exergonic reaction. Exergonic: energy out, release of free energy, negative
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This note was uploaded on 11/01/2009 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas at Austin.

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