Question

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

Posted under Microbiology

Answer: (b).have to make a positive strand copy that can be translated

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Q. Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they

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