Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 20, Viruses and Prokaryotes - Assessment - 20.1 Viruses - Understand Key Concepts/Think Critically - Page 596: 1



Work Step by Step

Viruses are considered nonliving because they only reproduce when they are inside of living host cells. Viruses are composed of nucleic acid, protein, and sometimes lipids.
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