Indicate Whether Each of the Following DNA Lesions Is Typically

Short Answer

Indicate whether each of the following DNA lesions is typically repaired via the base excision (B) or nucleotide excision (N) repair pathway? Your answer would be a four-letter string composed of letters B and N only, e.g. BBBB.
1. Deaminated cytosines
2. Depurinated residues
3. Thymine dimers
4. Bulky guanine adducts