Question

In: Biology

Cellular RNA polymerase cannot transcribe anRNA template. So, where does the RNA polymerase activity come from...

  1. Cellular RNA polymerase cannot transcribe anRNA template. So, where does the RNA polymerase activity come from in the case of:

  1. A ssRNA virus with a + sense genome?
  2. A ssRNA virus with a – sense genome?

Solutions

Expert Solution

A - A ssRNA virus with a + sense genome - To transcribe the + sense genome, Viral genome encodes for RNA dependent RNA polymerase. First, this enzyme make the -  sense RNA, then using - sense as a template makes the copies of + sense genome.

B - A ssRNA virus with a - sense genome - To transcribe the - sense genome, Viral genome encodes for RNA dependent RNA polymerase. First, this enzyme makes the mRNA using the - sense as a template and then using mRNA as template it makes copies of its genome.

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gladiator answered 1 year ago
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