 
			 
			MCQOPTIONS
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				| 1. | Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media | 
| A. | utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise | 
| B. | utilization of nitrate cause culture pH to drop while utilization of ammonium cause culture pH to rise | 
| C. | utilization of both ammonium and nitrate result in rise in pH | 
| D. | utilization of both ammonium and nitrate result in drop in pH | 
| Answer» B. utilization of nitrate cause culture pH to drop while utilization of ammonium cause culture pH to rise | |