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What is the role of DNA polymerase in DNA repair?

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Question: What is the role of DNA polymerase in DNA repair?

Options:

  1. To unwind the DNA double helix
  2. To synthesize new DNA strands
  3. To remove damaged DNA
  4. To ligate DNA fragments

Correct Answer: To synthesize new DNA strands

Solution: 

DNA polymerase synthesizes new DNA strands during the repair process.

What is the role of DNA polymerase in DNA repair?

Practice Questions

Q1
What is the role of DNA polymerase in DNA repair?
  1. To unwind the DNA double helix
  2. To synthesize new DNA strands
  3. To remove damaged DNA
  4. To ligate DNA fragments

Questions & Step-by-Step Solutions

What is the role of DNA polymerase in DNA repair?
  • Step 1: DNA can get damaged due to various factors like UV light or chemicals.
  • Step 2: When DNA is damaged, the cell needs to fix it to prevent problems.
  • Step 3: Special proteins recognize the damaged part of the DNA.
  • Step 4: These proteins signal for DNA polymerase to come to the damaged area.
  • Step 5: DNA polymerase starts working by adding new DNA nucleotides to replace the damaged ones.
  • Step 6: This process helps to create a new, correct DNA strand.
  • Step 7: Once the new DNA is made, the cell can continue to function properly.
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