Answer
(d) all of these
Work Step by Step
Mutations in DNA may be caused by free radicals. X-rays and other types of radiation, and some chemicals, can generate huge numbers of free radicals.
Human Anatomy & Physiology (9th Edition)
by Marieb, Elaine N.; Hoehn, Katja N.
Published by
Pearson
ISBN 10:
0321743261
ISBN 13:
978-0-32174-326-8
Chapter 3 - Cells: The Living Units - Review Questions - Page 114: 12
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