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Question 4 1 pts Why is it necessary that a (-) single stranded RNA virus carries RNA replicase (as opposed to synthesizing it immediately upon entering the cell)? ) Because all viruses must carry their polymerases with them into the cell. ) Because the genome of (-) RNA viruses are also mRNA which can be translated immediately. ) Because the genome of (-) RNA viruses must be replicated before they can be used to make protein. () Because genome synthesis must always occur before translation