Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1259188132
ISBN 13: 978-1-25918-813-8

Chapter 27 - Viruses - Review Questions - Apply - Page 543: 1

Answer

C.

Work Step by Step

A. and B. are wrong since the two viruses have dissimilar genomes, and smallpox does not use reverse transcriptase. D. can be excluded since smallpox does not affect the immune system.
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