Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
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Chapter 17, Problem 5TYU

RNA viruses require their own supply of certain enzymes because

  1. A. host cells rapidly destroy the viruses.
  2. B. host cells lack enzymes that can replicate the viral genome
  3. C. these enzymes translate viral mRNA Into proteins.
  4. D. these enzymes penetrate host cell membranes.
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY