Biology 12th Edition

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

Chapter 20 - Viruses, Bacteria, and Archaea - Engage - Thinking Scientifically - Page 372: 2

Answer

Viruses are much smaller than living cells, only measuring up to 40 nm. The virus lacks cell walls and ribosomes, as well as endoplasmic reticulum and Golgi apparatus. Virus cells also reproduce using a host cell, and cannot replicate on their own.

Work Step by Step

Viruses are much smaller than living cells, only measuring up to 40 nm. The virus lacks cell walls and ribosomes, as well as endoplasmic reticulum and Golgi apparatus. Virus cells also reproduce using a host cell, and cannot replicate on their own.
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