44107a_Q6 - structures of all reactants and products. 4 (3...

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Name ______________________________________ Signature _________________________________ BICH 441 March 21, 2007 Quiz 6 NO CALCULATORS! 1 (5 pts). Draw the mechanism of pyruvate carboxylase. (The structure of biotin is shown below.) You can use the symbol "A" to represent the adenine on the structure of ATP. 2 (4 pts). Draw the reaction catalyzed by PEP carboxykinase. Show the names and structures of all reactants and products. 3 (3 pts). Draw the reaction catalyzed by fructose bisphosphatase-2 (fructose-2,6-bisphosphatase). Show the names and
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Unformatted text preview: structures of all reactants and products. 4 (3 pts). For the three enzymes listed below, would the enzyme activity in liver be increased (+) or decreased () by the hormone glucagon (released in response to low blood sugar)? _____ phosphofructokinase-1 _____ phosphofructokinase-2 _____ fructose bisphosphatase-2...
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