44106a_Q8 - reactants and products and the name of the...

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Name ______________________________________ Signature _________________________________ BICH 441 April 12, 2006 Quiz 8 NO CALCULATORS! NOTE : You do not need to draw the structure of ATP/ADP, FAD/FADH 2 , CoA, or NAD(P) + /NAD(P)H in any of the questions. Just show where they are needed. 1 (5 pts). Two enzymes act in sequence in the cytosol of eukaryotic cells to transfer electrons from NADH to NADPH. The NADPH is then used in fatty acid synthesis. Draw this two-step pathway. Show the names and structures of reactants and products and the names of the enzymes. 2 (3 pts). Draw the reaction that generates acetyl-CoA in the cytosol of eukaryotic cells. Show the names and structures of
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Unformatted text preview: reactants and products and the name of the enzyme. 3. (6 pts). A and B represent intermediates in fatty acid synthesis catalyzed by fatty acid synthase. Show the sequence of steps catalyzed by fatty acid synthase that converts A to B. You do not need to name the individual activities or the intermediates, just show the structures. A B 4 (1 pt). How many molecules of malonyl-CoA were used by fatty acid synthase to synthesize one molecule of intermediate A shown in Question 3?...
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