 
			 
			MCQOPTIONS
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				| 1. | In the presence of tryptophan in the cell, the repressor is __________ | 
| A. | bound to tryptophan | 
| B. | bound to DNA | 
| C. | bound to both DNA and tryptophan | 
| D. | bound to neither tryptophan nor DNA | 
| Answer» D. bound to neither tryptophan nor DNA | |