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What is the primary mechanism of action of ionizing radiation in causing cellula

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Question: What is the primary mechanism of action of ionizing radiation in causing cellular damage?

Options:

  1. Direct DNA damage
  2. Inhibition of protein synthesis
  3. Disruption of cell membrane integrity
  4. Alteration of metabolic pathways

Correct Answer: Direct DNA damage

Solution: 

Ionizing radiation primarily causes direct DNA damage, leading to mutations and cell death.

What is the primary mechanism of action of ionizing radiation in causing cellula

Practice Questions

Q1
What is the primary mechanism of action of ionizing radiation in causing cellular damage?
  1. Direct DNA damage
  2. Inhibition of protein synthesis
  3. Disruption of cell membrane integrity
  4. Alteration of metabolic pathways

Questions & Step-by-Step Solutions

What is the primary mechanism of action of ionizing radiation in causing cellular damage?
  • Step 1: Understand that ionizing radiation is a type of energy that can remove tightly bound electrons from atoms.
  • Step 2: Recognize that when ionizing radiation hits a cell, it can directly damage the DNA inside that cell.
  • Step 3: Know that this damage can cause mutations, which are changes in the DNA sequence.
  • Step 4: Realize that if the DNA is severely damaged, the cell may not be able to function properly and can die.
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