Ionizing radiation alters DNA by
A)deleting bases.
B)removing nitrogen from the bases.
C)breaking the sugar-phosphate backbone.
D)reversing replication forks.

Question

Quizplus · Accepted Answer

Ionizing radiation can cause breaks in the sugar-phosphate backbone of DNA strands. This damage can lead to mutations or other changes in the genetic information stored in the DNA. Choices A and B are not accurate because they describe processes that do not occur due to ionizing radiation. Choice D is also incorrect because it does not pertain to the specific type of damage caused by ionizing radiation.

Ionizing Radiation Alters DNA by