Study_Guide_for_Chapter_26_I_

Study_Guide_for_Chapter_26_I_ - BMB 402H STUDY GUIDE Spring...

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BMB 402H STUDY GUIDE Spring 2009 Chapter 26 Biosynthesis of Amino Acids (I) 1. The nitrogen cycle 2. Nitrogen fixation: function of each component of the nitrogenase complex, source of electrons, the overall reaction, functions of ATP, intermediates in the reduction of nitrogen to ammonia, how the nitrogenase complex is protected from inactivation by O 2 3. Reactions of nitrate reductase and nitrite reductase; there is no need to memorize the redox centers of each enzyme 4. Two different physiological roles of nitrate and nitrite reductases 5. Three different ways that ammonia can be assimilated into organic nitrogen-containing compounds 6. Reactions catalyzed by glutamate dehydrogenase, glutamate synthase, and glutamine synthetase; which enzyme(s) is/are used at low ammonia concentrations? Which one(s) is/are used at high ammonia concentrations? Overall reactions (conversion of α - ketoglutarate to glutamine) for both 7. How animals synthesize glutamate
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Study_Guide_for_Chapter_26_I_ - BMB 402H STUDY GUIDE Spring...

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