Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 22 - 22.3 - Concept Check - Page 482: 1


Antibiotics cannot create drug resistance, which is due to genetic change-- antibiotics do not alter DNA sequences. What antibiotics do is to select for resistance to themselves since they kill off non-resistant bacteria.

Work Step by Step

The key here is to review the mechanism of antibiotic resistance and to see that it involves not antibiotics affecting DNA directly but antibiotics acting as selective agents.
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