 
			 
			MCQOPTIONS
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				| 1. | Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they | 
| A. | use it to terminate transcripts when they copy host cell mRNA | 
| B. | have to make a positive strand copy that can be translated | 
| C. | use it to modify host enzymes that are recruited for viral replication | 
| D. | none of the above | 
| Answer» C. use it to modify host enzymes that are recruited for viral replication | |