 
			 
			MCQOPTIONS
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				| 1. | The major route for incorporation of ammonia (NH) into organic compounds is via | 
| A. | reduction of pyruvate or alpha-ketoglutarate by enzymes | 
| B. | atmospheric nitrogen fixation | 
| C. | oxidation of pyruvate | 
| D. | all of these | 
| Answer» B. atmospheric nitrogen fixation | |