Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 27 - Viruses - Review Questions - Synthesize: 2

Answer

Viruses bear some resemblance to highly simplified cells, and they need to use host proteins for their own reproduction. This could not have occurred without host cells first existing.

Work Step by Step

First, consider how viruses go about their business--by hijacking cells. Then ask yourself: if viruses evolved first, how could they have done this.
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