When a cell is exposed to radiation, the probability of the radiation interacting with the DNA is low, since the DNA makes up only a small fraction of the cell’s total volume. However, if the radiation does interact with the DNA, it can cause damage to the genetic material, leading to altered cellular functions.

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Radiobiology at Cellular and Organ Levels

  • Xiaoming Zheng

摘要

When a cell is exposed to radiation, the probability of the radiation interacting with the DNA is low, since the DNA makes up only a small fraction of the cell’s total volume. However, if the radiation does interact with the DNA, it can cause damage to the genetic material, leading to altered cellular functions.