20 - http/www4.ncsu.edu/~knopp/BCH451/e06a4.htm BCH 451...

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BCH 451 Spring 2006 Exam #4 NAME 1. Draw the predominate structures of the following molecules at the pH indicated. Be sure to include all carbon and hydrogen atoms! (2) IP 3 at pH = 8 4) For step of glycolysis, name the enzyme, give the class of the enzyme, draw the structures of the non-cofactor substrate(s) and product(s) connected by the reaction arrows, which show the reversibility or irreversibility, show the co-substrates coming in and out of the reaction as appropriate using the usual abbreviations, and list all other cofactors under the reaction arrow(s): Enzyme name: Enzyme class: Reaction 2. (0.2 per term) Write the balanced reaction for L = glycolysis; N = gluconeogenesis 3. (1) Per page 337, what is substrate level phosphorylation? 4. (6) For a liver cell, describe the state of glycolysis, gluconeogenesis and glycogen metabolism in the absence of glucagon and epinephrine. Include the levels of important metabolites and activities of key enzymes. While it may be useful (but not required ) to include a diagram, your answer should be in paragraph form. 5.
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This note was uploaded on 12/01/2010 for the course BCH 451 taught by Professor Knopp during the Spring '08 term at N.C. State.

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20 - http/www4.ncsu.edu/~knopp/BCH451/e06a4.htm BCH 451...

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