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A. Reactions of the Cycle The eight enzymes of the citric acid cycle (Fig. 21-1) catalyze a series of well-known organic reactions that cumulatively ox- idize an acetyl group to two CO2 molecules with the concomi- tant generation of three NADHs, one FADH2, and one GTP: 1. Citrate synthase catalyzes the condensation of acetyl-CoA and […]
Maggio 12, 2013
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