BCH 4054 October 30, 2000 HOUR TEST 3 NAME_____________________ 1. Many biosynthetic reactions involve the input of energy from ATP and the reducing agent NADPH. For the lipid (fatty acid and sterol) biosynthesis reactions we have studied, identify (by giving reactants and products—structure or name) the steps in which: (12) (a) ATP is utilized in sterol biosynthesis (3 steps). Page Points 1 ____ 2 ____ 3 ____ 4 ____ Total ______ (8) (b) NADPH is utilized in fatty acid biosynthesis (2 steps) (6) 2. Citrate plays two distinct roles in fatty acid biosynthesis. Describe them.
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