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12/25/09 5:47 PM http://www4.ncsu.edu/~knopp/BCH451/e09a2.htm Page 1 of 2 BCH 451 Spring 2009 Exam #2 NAME 1. Draw the predominate structures of the following molecules at the pH indicated. Be sure to include all carbon and hydrogen atoms! a. (6) F = FAD; N = NAD; P = PLP and ATP at pH = 7 2. For the following coenzyme F = FAD ; N = NAD ; or T = tetrahydrofolate, give: a. (0.3) vitamin name [or state “none” if none]: b. (0.3) co-substrate or prosthetic group [circle correct answer]: c. (1) major metabolic role(s): d. (1) diagram of active [red] portion [include “R”s]: 3. For the C = competitive ; N = non-competitive ; U = un-competitive [circle your class] inhibitor class, give a. (0.2) The effect on Km b. (0.2) The effect on Vmax c. (1.6) The kinetic scheme d. (1.5) The molecular model [draw non-classical as appropriate] 4. For K = Km, M = Vmax or O = Vo, a. (1) What is the mathematical definition? b.
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exam2 - http:/www4.ncsu.edu/~knopp/BCH451/e09a2.htm...

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