Discussion
Cancer cells are damaged by radiations while others are not because cancer cells are
Answer: C
Cancer cells are damaged by radiation because they are undergoing rapid division.
DNA is most vulnerable while it is being replicated and the chromosomes separated, so dividing cells are far more radiosensitive than resting ones. It is also why radiotherapy affects hair follicles, bone marrow and gut lining - the body's other fast-dividing tissues.
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