 
			 
			MCQOPTIONS
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				| 1. | The sigma factor | 
| A. | is responsible for recognizing the termination sequence | 
| B. | provides the catalytic function of cleaving off pyrophosphates during mRNA synthesis | 
| C. | recognizes the promotor | 
| D. | accomplishes DNA restriction | 
| Answer» D. accomplishes DNA restriction | |