Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 20 - Viruses, Bacteria, and Archaea - Engage - Thinking Scientifically - Page 372: 1

Answer

Viruses are protected by a capsule known as a capsid, which consists of protein subunits. They also have either DNA or RNA to store genetic information and spikes that allow the virus to attach to host cells.

Work Step by Step

Viruses are protected by a capsule known as a capsid, which consists of protein subunits. They also have either DNA or RNA to store genetic information and spikes that allow the virus to attach to host cells.
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