test4(1)

Test4(1) - BCH 4054 Points(9 1 HOUR TEST 4 NAME Page Points 1 2 3 4 Mammalian cells have two forms of the enzyme carbamoyl phosphate synthetase

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BCH 4054 November 20, 2000 HOUR TEST 4 NAME_____________________ Points (9) 1. Mammalian cells have two forms of the enzyme carbamoyl phosphate synthetase . Identify: (a) the reactants and products of each form; (b) the cellular location of each form; and (c) the biochemical pathway in which each form participates. Page Points 1 ____ 2 ____ 3 ____ 4 ____ Total ______ (9) 2. Using partial structures to designate the tetrahydrofolic acid (i.e., showing just the N 5 and N 10 positions of the molecule), give the structure of the following C 1 -derivatives of THF: (a) The product formed from serine. (b) The precursor of the 2 position of purines. (c) The C 1 donor in thymidylate biosynthesis. (d) Donor of the methyl group in methionine biosynthesis (a) (b) (c) (d) (12) 3. For the following purines and pyrimidines, enter the name of each base in the blank below the structure. For each base, circle each nitrogen atom that is derived from glutamine , and put an X through each nitrogen atom that is derived from
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This note was uploaded on 05/22/2011 for the course BCH 4054 taught by Professor Logan/gilmer during the Spring '06 term at FSU.

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Test4(1) - BCH 4054 Points(9 1 HOUR TEST 4 NAME Page Points 1 2 3 4 Mammalian cells have two forms of the enzyme carbamoyl phosphate synthetase

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