KROK 1 2019 – Question 118 · KROK (Medicine) · Biology
Cells of a person working in the Chornobyl Exclusion Zone have undergone a mutation in DNA molecule. However, with time the damaged interval of DNA molecule restored its initial structure with a specific enzyme. In this case the following occurred:
- A. Transcription
- B. Replication
- C. Translation
- D. Reverse transcription
- E. Repair
Hint
Think about the cell's enzyme-based defence that corrects a lesion in a DNA strand after radiation or chemical damage.
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